 James CagneyJerry Plunkett | Jerry Plunkett |
 Pat O'BrienFather Duffy | Father Duffy |
 George BrentWild Bill Donovan | Wild Bill Donovan |
 Jeffrey LynnJoyce Kilmer | Joyce Kilmer |
 Alan HaleBig Mike Wynn | Big Mike Wynn |
 Frank McHugh"Crepe Hanger" Burke | "Crepe Hanger" Burke |
 Dennis MorganLieutenant Ames | Lieutenant Ames |
 Dick ForanLong John Wynn | Long John Wynn |
 William LundiganTimmy Wynn | Timmy Wynn |
 Guinn 'Big Boy' WilliamsPaddy Dolan | Paddy Dolan |
 Henry O'NeillColonel | Colonel |
 John LitelCaptain Mangan | Captain Mangan |
 Sammy CohenMike Murphy | Mike Murphy |
 Harvey StephensMajor Anderson | Major Anderson |
 William HopperPrivate Turner | Private Turner |
 Tom DuganPrivate McManus | Private McManus |
 Frank WilcoxLieutenant Norman | Lieutenant Norman |
 John ArledgeAlabama Man #2 (uncredited) | Alabama Man #2 (uncredited) |
 Frank FaylenEngineer Sergeant (uncredited) | Engineer Sergeant (uncredited) |
 George ReevesJack O'Keefe (uncredited) | Jack O'Keefe (uncredited) |
 Roland VarnoGerman Officer (uncredited) | German Officer (uncredited) |
 Herbert AndersonPrivate Casey (uncredited) | Private Casey (uncredited) |
 Trevor BardetteAlabama Man #1 (uncredited) | Alabama Man #1 (uncredited) |
| JJack BoyleChuck (uncredited) | Chuck (uncredited) |
 Richard ClaytonTierney (uncredited) | Tierney (uncredited) |
 Frank Coghlan Jr.Jimmy (uncredited) | Jimmy (uncredited) |
| TTom ColemanWounded Soldier (uncredited) | Wounded Soldier (uncredited) |
| JJames ConatyOfficer at Briefing (uncredited) | Officer at Briefing (uncredited) |
 Joseph CrehanInoculations Doctor (uncredited) | Inoculations Doctor (uncredited) |
 John DaheimSoldier (uncredited) | Soldier (uncredited) |
