 Robert MitchumArchie Hall | Archie Hall |
 Jack WebbWilliam 'Bill' Bowers | William 'Bill' Bowers |
 Martha HyerPeggy Kramer | Peggy Kramer |
 France NuyenCindy Hamilton | Cindy Hamilton |
 Louis NyePvt. Sam Beacham | Pvt. Sam Beacham |
 Joe FlynnPvt. Russell Drexler | Pvt. Russell Drexler |
 Del MoorePvt. Frank Ostrow | Pvt. Frank Ostrow |
 Jimmy LydonPvt. Billy Simpson (as James Lydon) | Pvt. Billy Simpson (as James Lydon) |
 Richard ArlenCol. Edwin Martin | Col. Edwin Martin |
 Don KnottsCapt. Harry Little | Capt. Harry Little |
 Robert StraussMSgt. Stanley Erlenheim | MSgt. Stanley Erlenheim |
 Harvey LembeckDuty Sgt. Malcolm Greenbriar | Duty Sgt. Malcolm Greenbriar |
 Claudia BarrettLola | Lola |
| TTheona BryantDaphne | Daphne |
 Elaine DevryCarole | Carole |
| MMarilyn BurtisPatsy Ruth | Patsy Ruth |
 Howard McNearGen. Williams | Gen. Williams |
| EEugene McCarthyCharlie - Bartender | Charlie - Bartender |
 Bill IdelsonLt. L.Q. Fowler | Lt. L.Q. Fowler |
 James MitchumCorporal | Corporal |
| JJohn NolanLt. Oglemeyer | Lt. Oglemeyer |
| LLillian PowellMother | Mother |
 Nancy KulpMiss Willoughby | Miss Willoughby |
 Don DrysdaleSoldier in E-Club | Soldier in E-Club |
| BBill KilmerSoldier | Soldier |
 Don AndersonSoldier (uncredited) | Soldier (uncredited) |
| AArt BalingerSoldier (uncredited) | Soldier (uncredited) |
 George BarrowsSoldier in Jeep (uncredited) | Soldier in Jeep (uncredited) |
| DDick CathcartSoldier (uncredited) | Soldier (uncredited) |
 Robert ClarkeOfficer (uncredited) | Officer (uncredited) |
