 | Deborah Kerr als Miss Giddens |
 | Peter Wyngarde als Peter Quint |
 | Megs Jenkins als Mrs. Grose |
 | Michael Redgrave als The Uncle |
 | Martin Stephens als Miles |
 | Pamela Franklin als Flora |
 | Clytie Jessop als Miss Jessel |
| Isla Cameron als Anna |
| Eric Woodburn als Coachman (uncredited) |
| John Mortimer | Additional Writing |
| Jack Clayton | Producer |
| Truman Capote | Screenplay |
| Jack Clayton | Director |
| Henry James | Novel |
| William Archibald | Screenplay |
| Albert Fennell | Executive Producer |
| Georges Auric | Music |
| Freddie Francis | Director of Photography |
| Wilfred Shingleton | Art Direction |
| Jim Clark | Editor |
| Peter Musgrave | ADR & Dubbing |
| Harold Fletcher | Makeup Artist |
| Sophie Devine | Costume Design |
| Gordon Bond | Hairstylist |
| Jeanie Sims | Script Editor |
| Ronnie Taylor | Camera Operator |
| Daphne Oram | Sound Effects |
| Buster Ambler | Sound Recordist |
| Daphne Oram | Sound Editor |
| John Cox | Sound Recordist |
| Ken Ritchie | Boom Operator |
