 | Walter Pidgeon als Major Hugh "Bulldog" Drummond |
 | Margaret Leighton als Sergeant Helen Smith |
 | Robert Beatty als Arthur Gunns |
 | David Tomlinson als Algernon "Algy" Longworth |
 | Peggy Evans als Molly |
 | Charles Victor als Inspector McIver |
 | Bernard Lee als Colonel Webson |
 | Patric Doonan als Alec |
 | James Hayter als Bill |
 | Michael Allan als Bert (uncredited) |
| Frank Andrews als Harry (uncredited) |
 | Richard Caldicot als Judge (uncredited) |
| Ivan Craig als Air Traffic Controller (uncredited) |
 | Anthony Forwood als Pilot (uncredited) |
| John Gabriel als Heckler in Crowd (uncredited) |
 | Arthur Hewlett als Department Store Manager (uncredited) |
 | Arthur Howard als McIver's Assistant (uncredited) |
| Noel Johnson als Detective (uncredited) |
 | Richard Johnson als Control Tower Operator (uncredited) |
 | Harold Lang als Stan (uncredited) |
| Arthur Lovegrove als Nightwatchman (uncredited) |
 | Pat McGrath als Crook (uncredited) |
 | Laurence Naismith als Hardcastle (uncredited) |
 | Jim Brady als Customer in Last Word Club (uncredited) |
 | Cyril Smith als Man at Nightclub Bar (uncredited) |
 | Emile Stemmler als Barman (uncredited) |
 | Michael Ward als Hairdresser (uncredited) |
 | Russell Waters als Ex-Service Men Collector (uncredited) |
| George Wilson als Man (uncredited) |
| Victor Saville | Director |
| Howard Emmett Rogers | Screenplay |
| Arthur Wimperis | Screenplay |
| Hayes Goetz | Producer |
| Gerard Fairlie | Screenplay |
| Herman C. McNeile | Characters |
| Hilda Fox | Hairdresser |
| Nicolas Roeg | Assistant Camera |
| Peter Handford | Sound Recordist |
| A.W. Watkins | Recording Supervision |
| Freddie Young | Director of Photography |
| Frank Clarke | Editor |
| Dora Wright | Production Manager |
| Robert Watts | Editor |
| Alfred Junge | Art Direction |
| John Truwe | Makeup Artist |
| Angela Martelli | Continuity |
| Gerard Fairlie | Story |
| Rudolph G. Kopp | Original Music Composer |
| Tom Howard | Visual Effects |
| Skeets Kelly | Camera Operator |
| Colin Garde | Makeup Artist |
| Brian Humphries | Assistant Director |
| Wally Heglin | Orchestrator |
