Directed by
| Peter Hammond | ||
Writing Credits
| Doreen Montgomery | ... | (teleplay) |
Cast (in credits order) verified as complete
| Patrick Macnee | ... | John Steed | |
| Honor Blackman | ... | Catherine Gale | |
| Peter Arne | ... | Cosmo Gallion | |
| John Hollis | ... | Markel | |
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Pat Spencer | ... | Julia |
| Douglas Muir | ... | One Ten | |
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Olive Milbourne | ... | Mrs. Dunning |
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Alban Blakelock | ... | Peter Neville |
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Brian Vaughan | ... | Doctor |
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Gordon Gardner | ... | Pathologist |
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Philip Mosca | ... | Mogom |
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Susan Franklin | ... | Barmaid |
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Herbert Nelson | ... | Pasco |
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Christina Ferdinando | ... | Miss Timson |
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Bill Haydn | ... | Circle Member |
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Anna Sharkey | ... | Circle Member |
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Roy Gunson | ... | Circle Member |
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Maggie Lee | ... | Circle Member |
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Fred Evans | ... | Circle Member |
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Gillian Bowden | ... | Circle Member |
| Rest of cast listed alphabetically: | |||
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Hein Viljoen | ... | Meeting Attendee (uncredited) |
Produced by
| John Bryce | ... | producer (uncredited) |
Production Design by
| Terry Green | ... | designer |
Sound Department
| John Tasker | ... | sound (uncredited) |
Camera and Electrical Department
| Tom Clegg | ... | cameras (uncredited) |
| H.W. Richards | ... | lighting (uncredited) |
Costume and Wardrobe Department
| Michael Whittaker | ... | wardrobe designer: Honor Blackman |
Editorial Department
| Gordon Hesketh | ... | vision mixer (uncredited) |
Location Management
| Nansi Davies | ... | stage manager (uncredited) |
Music Department
| John Dankworth | ... | composer and performer: theme (as Johnny Dankworth) |
| John Scott | ... | theme: flute, piccolo (uncredited) |
Additional Crew
| Patricia Kirschner | ... | dance director (as Pat Kirshner) |
| Richard Bates | ... | story editor (uncredited) |
| Valerie Brayden | ... | production assistant (uncredited) |
| John Cooper | ... | call boy (uncredited) |
| Campbell Keenan | ... | technical supervisor (uncredited) |
| Bob Reed | ... | floor manager (uncredited) |
