 Sidney JamesCaptain Wellington Crowther | Captain Wellington Crowther |
 Kenneth WilliamsFirst Officer Leonard Marjoribanks | First Officer Leonard Marjoribanks |
 Kenneth ConnorDr. Arthur Binn | Dr. Arthur Binn |
 Liz FraserGlad Trimble | Glad Trimble |
| DDilys LayeFlo Castle | Flo Castle |
 Esma CannonBridget Madderley | Bridget Madderley |
 Lance PercivalWilfred Haines | Wilfred Haines |
| JJimmy ThompsonSam Turner | Sam Turner |
 Ronnie StevensDrunk Passenger | Drunk Passenger |
 Vincent BallJenkins | Jenkins |
 Cyril ChamberlainTom Tree | Tom Tree |
 Willoughby GoddardLarge Man | Large Man |
 Ed DevereauxYoung Officer | Young Officer |
 Brian RawlinsonNervous Steward | Nervous Steward |
 Anton RodgersYoung Man | Young Man |
| AAnthony SagarCook | Cook |
| TTerence FrisbyPassenger | Passenger |
 Mario FabriziSecond Cook | Second Cook |
| MMarian CollinsBride | Bride |
 Jill Mai MeredithShapely Miss | Shapely Miss |
| AAlan CasleySailor | Sailor |
| EEvan DavidBridegroom | Bridegroom |
| JJoyce AdamsPassenger (uncredited) | Passenger (uncredited) |
| DDel BakerOfficer (uncredited) | Officer (uncredited) |
| RRoy BeckPassenger (uncredited) | Passenger (uncredited) |
| JJoe BeckettPassenger (uncredited) | Passenger (uncredited) |
| HHyma BeckleyPassenger (uncredited) | Passenger (uncredited) |
| RRoberto CardinaliDr. Arthur Binn (singing voice) (uncredited) | Dr. Arthur Binn (singing voice) (uncredited) |
| PPauline ChamberlainPassenger (uncredited) | Passenger (uncredited) |
 Norman CoburnWireless Operator (uncredited) | Wireless Operator (uncredited) |
