 James GarnerLt. Commander Charles E. Madison | Lt. Commander Charles E. Madison |
 Julie AndrewsEmily Barham | Emily Barham |
 Melvyn DouglasAdmiral William Jessup | Admiral William Jessup |
 James CoburnLt. Commander Paul "Bus" Cummings | Lt. Commander Paul "Bus" Cummings |
 Joyce GrenfellMrs. Barham | Mrs. Barham |
 Edward BinnsAdmiral Thomas Healy | Admiral Thomas Healy |
 Liz FraserSheila | Sheila |
 Keenan WynnOld Sailor | Old Sailor |
 William WindomCaptain Harry Spaulding | Captain Harry Spaulding |
 John CrawfordChief Petty Officer Paul Adams | Chief Petty Officer Paul Adams |
 Douglas HendersonCaptain Marvin Ellender | Captain Marvin Ellender |
 Edmon RyanAdmiral Hoyle | Admiral Hoyle |
 Steve FrankenYoung Sailor | Young Sailor |
 Paul NewlanGeneral William Hallerton | General William Hallerton |
 Gary CockrellLieutenant Victor Wade | Lieutenant Victor Wade |
 Alan SuesEnright | Enright |
 Bill FraserPort Commander | Port Commander |
| LLou ByrneNurse Captain | Nurse Captain |
 Alan HowardPort Ensign | Port Ensign |
 Linda MarlowePat | Pat |
 Janine Gray1st "Nameless Broad" | 1st "Nameless Broad" |
 Judy Carne2nd "Nameless Broad" | 2nd "Nameless Broad" |
| KKathy Kersh3rd "Nameless Broad" | 3rd "Nameless Broad" |
| LLarry BillmanSailor (uncredited) | Sailor (uncredited) |
 Carol ClevelandArmy Driver (uncredited) | Army Driver (uncredited) |
 Luis DelgadoMarine on Landing Craft (uncredited) | Marine on Landing Craft (uncredited) |
| PPaul GengeOfficer (uncredited) | Officer (uncredited) |
| JJim JacobsNavy Aircrewman (uncredited) | Navy Aircrewman (uncredited) |
 Bob JohnsonDocumentary Narration (voice) (uncredited) | Documentary Narration (voice) (uncredited) |
 Kent McCordSoldier (uncredited) | Soldier (uncredited) |
