- Brian Clemens
- (creator) (31 episodes, 1979-1983)
- Brian Clemens
- (created by) (26 episodes, 1977-1979)
- Brian Clemens
- (by) (10 episodes, 1978-1982)
- Brian Clemens
- (written by) (6 episodes, 1978-1983)
- Brian Clemens
- (screenplay by) (1 episode, 1977)
- Ranald Graham
- (written by) (3 episodes, 1980-1982)
- Ranald Graham
- (by) (2 episodes, 1978)
- Gerry O'Hara
- (written by) (4 episodes, 1980-1982)
- Gerry O'Hara
- (by) (1 episode, 1978)
- Anthony Read
- (by) (3 episodes, 1977-1978)
- Anthony Read
- (story) (1 episode, 1980)
- Roger Marshall
- (written by) (4 episodes, 1980-1983)
- Christopher Wicking
- (written by) (2 episodes, 1980-1982)
- Christopher Wicking
- (by) (1 episode, 1979)
- Edmund Ward
- (by) (1 episode, 1978)
- Edmund Ward
- (written by) (1 episode, 1980)
- Don Houghton
- (by) (2 episodes, 1978-1979)
- Dennis Spooner
- (by) (2 episodes, 1978)
- Stephen Lister
- (written by) (2 episodes, 1979-1980)
- Tony Barwick
- (written by) (2 episodes, 1982-1983)
- Simon Masters
- (based on a story by) (1 episode, 1977)
- Michael Armstrong
- (script by) (1 episode, 1978)
- Jeremy Burnham
- (original story by) (1 episode, 1978)
- Peter Hammond
- (by) (1 episode, 1978)
- Michael Feeney Callan
- (written by) (1 episode, 1979)
- Ted Childs
- (written by) (1 episode, 1979)
- Robin Estridge
- (written by) (1 episode, 1979)
- John Goldsmith
- (written by) (1 episode, 1979)
- Douglas Watkinson
- (by) (1 episode, 1979)
- John Kruse
- (written by) (1 episode, 1980)
- Christopher Menaul
- (story) (1 episode, 1980)
- Dave Humphries
- (written by) (1 episode, 1983)
- Paul Wheeler
- (written by) (1 episode, 1983)