 Humphrey BogartLt. Cmdr. Philip Francis Queeg | Lt. Cmdr. Philip Francis Queeg |
 Robert FrancisEns. Willis Seward 'Willie' Keith | Ens. Willis Seward 'Willie' Keith |
 Van JohnsonLt. Stephen Maryk | Lt. Stephen Maryk |
 Fred MacMurrayLt. Thomas 'Tom' Keefer | Lt. Thomas 'Tom' Keefer |
 May WynnMay Wynn | May Wynn |
 Katherine WarrenMrs. Keith | Mrs. Keith |
 Jerry ParisEns. Barney Harding | Ens. Barney Harding |
 José FerrerLt. Barney Greenwald | Lt. Barney Greenwald |
 E.G. MarshallLt. Comdr. Challee | Lt. Comdr. Challee |
 Tom TullyComdr. DeVriess | Comdr. DeVriess |
 Arthur FranzLt. JG H. Paynter Jr. | Lt. JG H. Paynter Jr. |
 Lee MarvinMeatball | Meatball |
 Claude AkinsHorrible | Horrible |
 James EdwardsChief Steward Whittaker | Chief Steward Whittaker |
 Todd KarnsPetty Officer 1st Class Stillwell (uncredited) | Petty Officer 1st Class Stillwell (uncredited) |
 Don DubbinsSeaman 1st Class Urban (uncredited) | Seaman 1st Class Urban (uncredited) |
 Warner AndersonCapt. Blakely | Capt. Blakely |
 Whit BissellLt. Comdr. Dickson M.D. | Lt. Comdr. Dickson M.D. |
 Herbert AndersonEns. Rabbit | Ens. Rabbit |
| JJoe HaworthEns. Carmody | Ens. Carmody |
 James BestLt. JG Jorgensen | Lt. JG Jorgensen |
 Steve BrodieChief Budge | Chief Budge |
| SSam HarrisGraduation Ceremony Attendee (uncredited) | Graduation Ceremony Attendee (uncredited) |
 Don AndersonRadarman | Radarman |
 Robert BrayCourt-Martial Board Member | Court-Martial Board Member |
 Kenneth MacDonaldCourt-Martial Board Member (uncredited) | Court-Martial Board Member (uncredited) |
| PPaul McGuireCourt-Martial Board Member (uncredited) | Court-Martial Board Member (uncredited) |
 Tyler McVeyCourt-Martial Board Member (uncredited) | Court-Martial Board Member (uncredited) |
 Steve PendletonCourt-Martial Board Member (uncredited) | Court-Martial Board Member (uncredited) |
 Don KeeferCourt Stenographer - Yeoman 1st Class (uncredited) | Court Stenographer - Yeoman 1st Class (uncredited) |
