John Leeson has starred in 61 episodes of the classic series including 'The Invisible Enemy' (as K9 and the Nucleus), 'The Sun Makers', 'Underworld', 'The Invasion of Time', 'The Ribos Operation', 'The Pirate Planet', 'The Stones of Blood', 'The Androids of Tara', 'The Power of Kroll' (as Dugeen), 'The Armageddon Factor', 'The Leisure Hive', 'Meglos', 'Full Circle', 'State of Decay', 'Warriors' Gate', 'The Five Doctors' and 'Remembrance of the Daleks' (Dalek voice). He also starred in the spin-off 'K9 and Company!'.

He has also reprised K-9's voice in two BBV and several Big Finish audio dramas including Zagreus and the Gallifrey series. Leeson has also returned to the new series of "Doctor Who" alongside David Tennent and Elisabeth Sladen in 'School Reunion' and 'Journey's End', with appearances in "The Sarah-Jane Adventures": 'Invasion of the Bane' and 'The Lost Boy'.

Other television credits include: "Doctors" (2001), 'Delusion' (2000), 'Longitude' (2000), "Vanity Fair" (1998), "Bugs" (1995), 'Downtime' (1995), "Minder" (1994), "'Allo 'Allo!" (1989), 'Whoops Apocalypse' (1986), Miami Connection (1986), 'The Barretts of Wimpole Street' (1982), "Sorry!" (3 episodes, 1981), "Blakes 7" (2 episodes, 1978-1979), 'Tarka the Otter' (1979), "Jigsaw" (1979), "Crown Court" (1977), "Rainbow" (Bungle for 1 episode, 1972-1973), "Dad's Army" (1969).

John has also read extensively for the audio tape charity Calibre Library and was regularly heard as continuity announcer on Channel 4.

According to Wikipedia he has a lively interest in both classical music and particularly wine, led him to develop a longstanding parallel career as a wine educator; he is an accredited tutor for the Wine & Spirit Education Trust, and he lectures widely in wine both on land and in cruises at sea. He also sits regularly in court as a local Justice of the Peace.

David's television credits include: "All About Me", "Keeping Up Appearances", "On the Up", "The Bill", "Only Fools and Horses", "London's Burning", "Dear John", "Yes Minister", "Ripping Yarns", "The Fall and Rise of Reginald Perrin", "The Glittering Prizes", "The Prince of Denmark", "Z Cars", "The Pathfinders".

David returned to the new series of "Doctor Who" with 'Army of Ghosts' and also starred in two Big Finish dramas: 'Doctor Who: The Harvest' and 'Gallifrey: A Blind Eye'.

Other appearances include Blake's 7, Survivors, Target, Shoestring, Minder, Lovejoy, and the film Gandhi. He returned to television in The Year That London Blew Up (1995), a dramatisation of the IRA attacks on London in 1974-1975.

Colin's "Docor Who" credits include: 'The Green Death', 'The Hand of Fear', 'Image of the Fendahl', 'The Invasion of Time', 'Nightmare of Eden', 'Time and the Rani' and ofcourse 'The Pirate Planet'!

Away from who, Colin worked on: 'Victoria Wood with All the Trimmings' (2000), "Dalziel and Pascoe" (2 episodes, 1997), "Last of the Summer Wine" (1997), 'The Crusades' (1995), A Dorothy L. Sayers Mystery 'Have His Carcase' (1987), "'Allo 'Allo!" (visual effects) (2 episodes, 1985), 'Titus Andronicus' (1985), 'The Life and Death of King John' (1984), "Dombey & Son" (1983) TV mini-series, 'Cymbeline' (1982), "Some Mothers Do 'Ave 'Em" (2 episodes, 1978), "Moonbase 3" (1973), "Are You Being Served?" (1972).

Other appearances include David Teal in 'The Onedin Line', Lord Dattering 'The Treasure of Abbot Thomas' (Directed by Lawrence Gordon Clarke), Robin de Vernay in 'Moll Flanders', Captain Alinson in 'Wings', Lieutenant Phillips in 'When the Boat Comes In' and Cynon in 'Into the Labyrinth'. Since 1993 Paul has also presented QVC, iBuy and Ideal World Television.

Frank's "Doctor Who" credits also include: 'The War Machines' Episode 3 as Corporal, and 'Underworld' as Ankh.

Other credits include: "Galton and Simpson Comedy", 'The Suit' (1969), "The Wednesday Play" (4 episodes, 1965-1968), "Freewheelers" (1968), "Z Cars" (1967), "Adam Adamant Lives!", 'A Vintage Year for Scoundrels' (1966), "Londoners" (1965), "ITV Play of the Week" (1965), "The Saint", 'The Rough Diamonds' (1963).

Frank's career continued into the 1970s with appearances in "Secret Army" (3 episodes, 1978-1979), "The Professionals" (3 episodes, 1978-1979), 'The Knowledge' (1979), "The Famous Five", 'Five Go to Mystery Moor' (1978), "Angels" (1978), "Grange Hill" (4 episodes, 1977), "Warship" as MAA Burnett (7 episodes, 1976-1977), "Poldark" (1975), "Doctor on the Go", "The Sweeney" (1975), Eleven Episodes of "Dixon of Dock Green" until 1975), "The Brothers" (3 episodes, 1974), "Special Branch" (1973), "Callan" (1972), "Softly Softly" (1971) and "Budgie" (1971).

Most recently Frank starred in "Catterick" the 2004 comedy alongside Matt Lucas, Bob Mortimer and Vic Reeves. He also starred in the cult film 'The Italian Job' (1969) as Roger.

Anthony Read studied at the Central School of Speech and Drama in London, and was an actor-manager at the age of eighteen. He worked in advertising, journalism and publishing and as a television producer before becoming a full-time writer.

Anthony's time on "Doctor Who" involved script editing ad co-creating the series that would become 'The Key to Time'! He also wrote the story 'The Horns of Nimon' as well as contributing to the script of 'The Invasion of Time', which he helped write when the original script fell through.

Other Cult Television credits include "Sapphire & Steel": 'Dr McDee Must Die' (together with Don Houghton), in 1979, he contributed the scripts for the episodes 'Powers of Darkness' and 'Out of Body, Out of Mind' to the paranormal thriller series "The Omega Factor" - starring Louise Jameson. Then in 1984 Read adapted the John Wyndham novel of "Chocky" for Children's ITV, the success of which led to two original sequels "Chocky's Children" and "Chocky's Challenge".

Anthony was also story editor for: "Hammer House of Horror" (13 episodes, 1980), "The Troubleshooters" (26 episodes, 1965-1966) - also writing, producing and directing some of the episodes, "The Indian Tales of Rudyard Kipling" (15 episodes, 1964) and "Detective" (script editor).

He has also written several children's fiction books and adult non-fiction books, and won the Wingate Literary Prize for Kristallnacht.

Susan Engel was born in Vienna and escaped to England in 1938. She speaks French and German having studied at the Sorbonne and Bristol University. While still a student there she played ‘Rose’ in Harold Pinter’s first play The Room, while her professional debut in contrast was opposite Peter O’Toole as the ‘Dame’ in Panto at the Bristol Old Vic … a more profitable apprenticeship she claims than several years of schools and universities. At the Royal Court she succeeded Simone Signoret as a youthful ‘Lady Macbeth’ in Bill Gaskill’s renowned production starring Alec Guinness.

One of Peter Hall’s original RSC players, she was ‘Queen Elizabeth’ in The Wars of the Roses and has returned regularly to Stratford in the last 40 years in new plays as well as classical. Most recently as Ralph Fiennes’ mother in Brand at the Swan and Haymarket theatres.

Favourite film role is ‘Regan’ in Peter Brook’s King Lear with Paul Scofield. More recently she enjoyed being the eccentric murderess in an episode of Midsomer Murders.

Nigel Plaskitt has appeared, as an actor, in TV series such as DOCTOR WHO, ANGELS, YOUNG AT HEART, THE CLEOPATRAS, OWNER OCCUPIED and various TV plays and has appeared sporadically over a twenty year period as the long suffering Malcolm for the cold cure Vicks Sinex.

For nine years between 1973 and 1981 he created several characters and wrote for ATV's pre-school children's programme PIPKINS.

He assisted Phil Redmond with the setting up of BROOKSIDE for Channel 4. He produced and directed two series of HEGGARTY HAGGERTY, children's stories featuring George Cole, for Yorkshire Television.

For thirteen years he was one of the principal performers on Central Televisions SPITTING IMAGE, also acting as consultant on versions of the series for various European TV companies.

He was in the feature films, SPY STORY, CHARLESTON, LABYRINTH, LITTLE SHOP OF HORRORS, THE MUPPET CHRISTMAS CAROL, as Co-ordinator and performer on THE MUPPET TREASURE ISLAND and LOST IN SPACE and a Vogon Councillor in the movie version of THE HITCHHIKER'S GUIDE TO THE GALAXY.

He has also worked on THE SECRET LIFE OF TOYS for Jim Henson Productions, three series of Carlton Televisions THE SPOOKS OF BOTTLE BAY, three series of Yorkshire Televisions ROUND THE BEND, THE TREE HOUSE for Channel 4, FUN FACTORY for Sky TV, UP THE POLE a pilot children's project for Channel 4, DIGGER AND SPLAT a series of videos for Marshall Cavendish and two series of the Bafta winning ROGER AND THE ROTTENTROLLS for CITV. & He played Doctor O in CLEVER CREATURES for BBC TV and he co-ordinated and performed for the BBC's childrens TV promo FUTURE GENERATIONS. He played Moose in COMBAT SHEEP for BBC TV/TCC/Baby Cow and Ripley in the Bafta award winning RIPLEY & SCUFF for CITV/TCC.

He plays the voice of Captain Black, Doctor Gold and other characters in Gerry Anderson's new animated version of CAPTAIN SCARLET, and several voices in a pilot for a new animated series for HIT Entertainment. He played the voice of Tungar in PANWAPA for Sesame Workshop and plays Monkey in a new series of award winning commercials for PG Tips with Johnny Vegas..

He is consultant for the London version of AVENUE Q for Cameron Mackintosh, THE MUPPET SHOW in France for Disney and a new TV show for KidsTV in Austria. He is working on the development of a new musical with Leslie Bricusse.

Pennant Robert's established career includes directorial credits for some of Britain’s best-known television drama during the 1970s and 80s.

His credits include: ‘Doomwatch’ (1972), ‘Survivors’ (Nine Episodes, 1975-6), ‘Blake’s 7’ (Four Episodes, 1978), ‘Juliet Bravo’ (Four Episodes, 1980), ‘Tenko’ (First Five Episodes, 1981) and ‘Howard’s Way’ (Five Episodes, 1985).

Pennant’s Doctor Who credits include: ‘The Face of Evil’, ‘The Sun Makers’, ‘The Pirate Planet’, ‘Shada’, ‘Warriors of the Deep’ and ‘Timelash’.

Nigel co-designed and manufactured the mechanical dog K9 for the series with Tony Harding. He went on to spend 4 years on the show, operating and maintaining the K9 model.

Most recently he has worked on the 'Bond' and 'Harry Potter' Movies as special and visual effects.