 Richard GreenePerry Townsend III | Perry Townsend III |
 Nancy KellySusan Leeds | Susan Leeds |
 Preston FosterLt. (j.g.) John C. Drake | Lt. (j.g.) John C. Drake |
 George BancroftCapt. Leeds | Capt. Leeds |
 Slim SummervilleEllsworth 'Spuds' Fickett, cook | Ellsworth 'Spuds' Fickett, cook |
 J. Farrell MacDonaldCWO 'Sails' Quincannon | CWO 'Sails' Quincannon |
 Warren HymerSeaman Rocky Haggerty | Seaman Rocky Haggerty |
 Douglas FowleySeaman Pinky Brett | Seaman Pinky Brett |
 Dick HoganSeaman Johnny Miller | Seaman Johnny Miller |
 Elisha Cook Jr.Seaman Rutherford Davis Pratt, aka 'The Professor' | Seaman Rutherford Davis Pratt, aka 'The Professor' |
 George E. StoneSeaman Irving Goldfarb | Seaman Irving Goldfarb |
 John CarradineMcAllison | McAllison |
 Ward BondSeaman Olaf Swanson | Seaman Olaf Swanson |
 Moroni OlsenThe Fleet Captain | The Fleet Captain |
 Charles TrowbridgeRAdm. Joseph Maitland | RAdm. Joseph Maitland |
 Maxie RosenbloomMarine Sentry Sgt. Joe Duffy | Marine Sentry Sgt. Joe Duffy |
 Joan ValerieAnne | Anne |
 Henry ArmettaLuigi | Luigi |
 Jack PennickBos'un 'Guns' McPeek | Bos'un 'Guns' McPeek |
 Robert LowerySparks, radioman | Sparks, radioman |
 Harry StrangSeaman Grainger | Seaman Grainger |
 Victor VarconiItalian Naval Chaplain Vanzano | Italian Naval Chaplain Vanzano |
| RRuss ClarkUndetermined Part (script name, Anderson) | Undetermined Part (script name, Anderson) |
 Charles TannenUndetermined Part (script name, Kelly) | Undetermined Part (script name, Kelly) |
| EErnie AlexanderWarship Sailor | Warship Sailor |
 Murray AlperOrderly in Maitland's Office | Orderly in Maitland's Office |
 Lon Chaney Jr.Marine Sentry | Marine Sentry |
 Dorothy ChristyMcPeek's Girl | McPeek's Girl |
 E. E. CliveNot listed | Not listed |
| RRay CookeWarship Sailor | Warship Sailor |
