| Cast list | | Dan Aykroyd | as | Sgt. Frank Tree | | Ned Beatty | as | Ward Douglas | | John Belushi | as | Capt. Wild Bill Kelso | | Lorraine Gary | as | Joan Douglas | | Bobby Di Cicco | as | Wally Stephens | | Murray Hamilton | as | Claude Crumn | | Christopher Lee | as | Capt. Wolfgang von Kleinschmidt | | Tim Matheson | as | Capt. Loomis Birkhead | | Toshirô Mifune | as | Cmdr. Akiro Mitamura | | Warren Oates | as | Col. 'Madman' Maddox | | Robert Stack | as | Maj. Gen. Joseph W. Stilwell | | Treat Williams | as | Cpl. Chuck 'Stretch' Sitarski | | Nancy Allen | as | Donna Stratton | | Lucille Benson | as | Gas Mama (Eloise) (as Lucille Bensen) | | Jordan Brian | as | Macey Douglas |
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