 | Michael Bryant als New Friend |
 | Ursula Howells als Mumsy |
 | Pat Heywood als Nanny |
 | Vanessa Howard als Girly |
 | Robert Swann als Soldier |
 | Imogen Hassall als Girlfriend |
 | Michael Ripper als Zoo attendant |
 | Hugh Armstrong als Friend in No. 5 |
| Howard Trevor als Sonny |
| David Muir | Director of Photography |
| Freddie Francis | Director |
| Brian Comport | Screenplay |
| Maggie Pinhorn | Art Direction |
| Peter J. Thompson | Associate Producer |
| Rose Tobias Shaw | Casting |
| Bernard Ebbinghouse | Original Music Composer |
| Ronald J. Kahn | Producer |
| Tristam Cones | Editor |
| Philip Leakey | Makeup Artist |
| Maisie Mosco | Writer |
| Dulcie Midwinter | Costume Design |
| Katherine Haber | Producer's Assistant |
