| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Edward Boyd | Crew | Writing | Writer, Creator | 4 |
Richard Everitt | Crew | Production | Producer | 4 |
Michael Grimes | Crew | Art | Production Design | 4 |
Derek Hilton | Crew | Sound | Music | 4 |
David Boisseau | Crew | Directing | Director | 4 |
 Aubrey Morris | Cast | Actor | Robag | 1 |
 Betty McDowall | Cast | Actress | Beryl Kempsford | 1 |
 Calvin Lockhart | Cast | Actor | Theobald Aboo | 1 |
 Clive Morton | Cast | Actor | Sir Wilfred Templar | 1 |
Des Braiden | Cast | Head of Department Eight | 1 | |
 Donald Webster | Cast | Actor | Weedy | 1 |
 Elizabeth Shepherd | Cast | Actress | Syrie Van Epp | 4 |
 Gary Cockrell | Cast | Actor | Phil Scrotty | 4 |
Geoffrey Reed | Cast | Actor | Hard Man | 1 |
George Ghent | Cast | Removal Man | 1 | |
Ian Trigger | Cast | Actor | Nonesuch | 1 |
 Ingrid Hafner | Cast | Actress | Abigail Whitebait | 1 |
 Ivor Salter | Cast | Actor | Blinky | 1 |
 John Sharp | Cast | Actor | Kronk | 4 |
 June Watson | Cast | Actress | Miss Dunner | 2 |
Keith Pyott | Cast | Actor | Bishop | 1 |
Kevin Brennan | Cast | Actor | Whitebait | 1 |
Margery Withers | Cast | Actress | Miss Winkle | 1 |
 Marian Spencer | Cast | Actress | Helena of Morphania | 1 |
 Nina Baden-Semper | Cast | Pearl | 1 | |
 Oliver Johnston | Cast | Actor | Samson Whitby | 1 |
 Patrick Kavanagh | Cast | Actor | Major Ironside | 1 |
 Pauline Collins | Cast | Actress | Syrie's Maid | 1 |
Peter Stephens | Cast | Actor | Head of Department One | 1 |
 Roger Hammond | Cast | Actor | Ferdinand XVIII of Morphania | 1 |
 Simon Prebble | Cast | Actor | Barrington-Pym | 1 |
Tim Barrett | Cast | Actor | Christopher Vaughan | 1 |
 William Moore | Cast | Actor | Harold Lemming | 1 |
 Windsor Davies | Cast | Actor | Sullavan | 1 |
Robert McBain | Cast | Actor | Jolyon de Farge | 1 |
 Alan Curtis | Cast | Actor | Insp. Blood | 4 |
 Malcolm Douglas | Cast | Actor | Assassin | 1 |
Peter Jesson | Cast | Actor | First Mr. Grimm | 1 |
William Maxwell | Cast | Actor | Sgt. Hound | 4 |
Ray Gatenby | Cast | Actor | Bo | 1 |
Mark Hardy | Cast | Actor | Second Mr. Grimm | 1 |
Arthur Lester | Cast | Waiter | 1 | |
Sandra Downs | Cast | Actress | Mary Bone | 1 |
| Person | Type | Job | Role(s) | Episodes |
