| Peter Davison | ... | The Doctor | |
| Mark Strickson | ... | Turlough | |
| Peter Wyngarde | ... | Timanov | |
| Anthony Ainley | ... | The Master | |
| Nicola Bryant | ... | Peri | |
| Barbara Shelley | ... | Sorasta | |
| James Bate | ... | Amyand | |
| Dallas Adams | ... | Professor Howard Foster | |
| Edward Highmore | ... | Malkon | |
| Jonathan Caplan | ... | Roskal | |
| John Alkin | ... | Lomand | |
| rest of cast listed alphabetically: | |||
| Ray Knight | ... | Trion (uncredited) | |
| Colin Thomas | ... | Elder (uncredited) | |
| Episode Crew |
Directed by | |||
| Fiona Cumming | |||
Writing credits | ||
| Peter Grimwade | (by) | |
| Eric Saward | uncredited | |
Produced by | |||
| John Nathan-Turner | .... | producer | |
Original Music by | |||
| Peter Howell | |||
Film Editing by | |||
| Alastair Mitchell | |||
Production Design by | |||
| Malcolm Thornton | |||
Costume Design by | |||
| John Peacock | |||
Makeup Department | |||
| Elizabeth Rowell | .... | makeup designer | |
Production Management | |||
| Corinne Hollingworth | .... | production manager | |
Sound Department | |||
| Dick Mills | .... | special sound | |
| Scott Talbott | .... | sound | |
| John Tellick | .... | film sound | |
Visual Effects by | |||
| Dave Chapman | .... | video effects | |
| Chris Lawson | .... | visual effects designer (as Christopher Lawson) | |
| Sid Sutton | .... | title sequence | |
Camera and Electrical Department | |||
| Geoff Clark | .... | camera supervisor | |
| John Summers | .... | lighting director | |
| John Walker | .... | film camera | |
| Alec Wheal | .... | camera supervisor | |
Editorial Department | |||
| Dinah Long | .... | vision mixer | |
| Hugh Parson | .... | editor: video tape | |
Music Department | |||
| Ron Grainer | .... | composer: title music | |
| Peter Howell | .... | composer: incidental music | |
Other crew | |||
| Alan Arbuthnott | .... | technical coordinator | |
| June Collins | .... | production associate | |
| Rob Evans | .... | assistant floor manager | |
| Claire Hughes Smith | .... | production assistant | |
| Eric Saward | .... | script editor | |
| Series Crew These people are regular crew members. Were they in this episode? |
Writing credits | ||
| Sydney Newman | (creator) uncredited | |
Production Design by | |||
| Bob Cove | (1970s) | ||
| Victor Meredith | |||
| Michael Trevor | |||
Makeup Department | |||
| Dorka Nieradzik | .... | makeup designer (1982, 1984-1988) | |
Art Department | |||
| Peter Brachaki | .... | production designer: TARDIS interior | |
Special Effects by | |||
| Mat Irvine | .... | special effects (1970s-1980s) | |
| Ian Scoones | .... | special effects (1960s-1980s) | |
| Ron Thornton | .... | special effects (1980s) | |
| Bernard Wilkie | .... | special effects (1960s-1970s) | |
Visual Effects by | |||
| Mitch Mitchell | .... | special video effects (1960's-1970's) (as A. J. Mitchell) | |
| Bernard Lodge | .... | title sequence designer (1963-1979) (uncredited 1963-1969) | |
Stunts | |||
| Alan Chuntz | .... | stunts (1960's-1970's) | |
| Peter Diamond | .... | stunts (1960s) | |
| Max Faulkner | .... | stunts (1960's-1970's) | |
| Stuart Fell | .... | stunts (1970s-1980s) | |
| Alf Joint | .... | stunts (1960s-1980s) | |
| Derek Martin | .... | stunts (1960s-1970s) | |
| Roy Scammell | .... | stunts (1960s-1980s) | |
| Lee Sheward | .... | stunt coordinator | |
| Terry Walsh | .... | stunts (1960s-1970s) | |
| Derek Ware | .... | stunts (1960s-1970s) | |
Camera and Electrical Department | |||
| Stewart A. Farnell | .... | camera operator (1 episode) | |
| Peter Hamilton | .... | camera operator (12 episodes) | |
| Alan Jonas | .... | camera operator (6 episodes) | |
| Ken Westbury | .... | camera operator (4 episodes) | |
Music Department | |||
| Paddy Kingsland | .... | composer: incidental music (1980-1985) | |
| Keff McCulloch | .... | composer: incidental music (1987-1989) | |
| Humphrey Searle | .... | composer: incidental music (1965) | |
| Dudley Simpson | .... | composer: incidental music (1964-1980) | |
Other crew | |||
| Christopher Baker | .... | production assistant | |
| Ali Bongo | .... | magic advisor | |
| Kenneth J. Bussanmas | .... | creative consultant (1979-1985) | |
| Jeremy Hare | .... | assistant floor manager (three episodes) | |
| Main series | Episode guide | Full cast and crew |
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