 |
Gig Young as Mike Kelton |
 |
Carol Lynley as Susannah Whately Kelton / Sarah |
 |
Oliver Reed as Ethan |
 |
Flora Robson as Aunt Agatha |
 |
Judith Arthy as Emma |
 |
Ann Bell as Mary Whately, Susannah's Mother |
 |
William Devlin as Zebulon Whately |
 |
Charles Lloyd Pack as Barge Master |
 |
Bernard Kay as Tait |
 |
Rick Jones as Luther Whately |
|
Celia Hewitt as Aunt Sarah |
|
Robert Cawdron as John Whately, Susannah's Father |
|
Murray Evans as Gang Member |
|
Cliff Diggins as Gang Member |
 |
Peter Porteous as Gang Member |
 |
Donald Sutherland as Zebulon (voice) |
|
Ingrid Bower as Village Girl (uncredited) |
| Directing | David Greene | Director |
| Writing | H.P. Lovecraft | Book |
| Writing | August Derleth | Book |
| Camera | Ken Hodges | Director of Photography |
| Costume & Make-Up | Caroline Mott | Costume Design |
| Writing | D.B. Ledrov | Writer |
| Writing | Nat Tanchuck | Writer |
| Sound | Basil Kirchin | Original Music Composer |
| Sound | Jack Harding | Original Music Composer |
| Editing | Brian Smedley-Aston | Editor |
| Production | Frederick Yale | Casting |
| Art | Brian Eatwell | Art Direction |
| Costume & Make-Up | Eileen Warwick | Hairdresser |
| Costume & Make-Up | Harry Frampton | Makeup Artist |
| Production | Phillip Hazleton | Producer |
| Production | Bernard Schwartz | Executive Producer |
| Production | Alexander Jacobs | Associate Producer |
| Sound | Don Challis | Sound Editor |
| Sound | Kevin Sutton | Sound Mixer |
| Camera | Herbert Smith | Camera Operator |
| Costume & Make-Up | Hylan Booker | Costume Designer |
