| Sid James (as Sidney James) |
Captain Wellington Crowther |
| Kenneth Williams |
First Officer Leonard Marjoribanks |
| Kenneth Connor |
Dr Arthur Binn |
| Liz Fraser |
Gladys 'Glad' Trimble |
| Dilys Laye |
Florence 'Flo' Castle |
| Esma Cannon |
Bridget Madderley |
| Lance Percival |
Wilfred Haines, Ship's Cook |
| Jimmy Thompson |
Sam Turner, Barman |
| Ronnie Stevens |
Drunk Passenger |
| Vincent Ball |
Jenkins |
| Cyril Chamberlain |
Tom Tree |
| Willoughby Goddard |
Large Man |
| Ed Devereaux |
Young Officer |
| Brian Rawlinson |
Nervous Steward |
| Anton Rodgers |
Young Man |
| Anthony Sagar |
Cook |
| Mario Fabrizi |
2nd Cook |
| Marion Collins (as Marian Collins) |
Bride |
| Jill Mai Meredith |
Shapely Miss |
| Allan Casley (as Alan Casley) |
Sailor |
| Evan David |
Bridegroom |
| Terence Holland |
Actor |
