| Cecil Parker |
Commander Stanton, RN |
| Ronald Shiner |
C.P.O. Banyard |
| Leslie Phillips |
Lt. Peter Pouter |
| Elvi Hale |
Leading Wren Heather Stark |
| Nicholas Phipps |
Captain Povey |
| Harold Kasket |
Gaston Higgins |
| Gordon Jackson |
Leading Seaman Johnson |
| Reginald Beckwith |
Chief of Naval Information |
| Cardew Robinson |
Lt. Binns |
| Wanda Ventham |
Mabel |
| Hattie Jacques |
Rosa |
| Richard Vernon |
Royal Marines Captain |
| Walter Hudd |
Actor |
| Richard Coleman |
Actor |
| Lyn Rees (as Llewellyn Rees) |
Actor |
| Clive Morton |
Actor |
| Gordon Harris |
Actor |
| Van Boolen |
Actor |
| Gordon Whiting |
Actor |
| Tom Gill |
Actor |
