 John WayneSgt. John M. Stryker | Sgt. John M. Stryker |
 John AgarPFC Peter T. 'Pete' Conway | PFC Peter T. 'Pete' Conway |
 Adele MaraAllison Bromley | Allison Bromley |
 Forrest TuckerPFC Al J. Thomas | PFC Al J. Thomas |
 Wally CassellPFC Benny A. Regazzi | PFC Benny A. Regazzi |
 James BrownPFC Charlie Bass | PFC Charlie Bass |
 Richard WebbPFC Dan 'Handsome' Shipley | PFC Dan 'Handsome' Shipley |
 Arthur FranzCpl. Robert C. Dunne / Narrator | Cpl. Robert C. Dunne / Narrator |
 Julie BishopMary | Mary |
 James HoldenPFC 'Farmer' Soames | PFC 'Farmer' Soames |
 Peter CoePFC George Hellenpolis | PFC George Hellenpolis |
 Richard JaeckelPFC Frank Flynn | PFC Frank Flynn |
 William MurphyPFC Eddie Flynn | PFC Eddie Flynn |
 George TynePFC Hart S. Harris | PFC Hart S. Harris |
 Hal BaylorPvt. J.E. 'Ski' Choynski | Pvt. J.E. 'Ski' Choynski |
 John McGuireCapt. Joyce | Capt. Joyce |
 Martin MilnerPvt. Mike McHugh | Pvt. Mike McHugh |
| LLeonard GumleyPvt. Sid Stein | Pvt. Sid Stein |
| WWilliam SelfPvt. L.D. Fowler Jr. | Pvt. L.D. Fowler Jr. |
| DDavid M. ShoupColonel D.M. Shoup | Colonel D.M. Shoup |
| HH.P. CroweLt. Col. H.P. Crowe | Lt. Col. H.P. Crowe |
| HHarold G. SchrierCaptain Harold G. Schrier | Captain Harold G. Schrier |
| RRene A. GagnonPFC Rene A. Gagnon | PFC Rene A. Gagnon |
| IIra H. HayesPFC Ira H. Hayes | PFC Ira H. Hayes |
| JJohn H. BradleyPM3C John H. Bradley | PM3C John H. Bradley |
| CConrad BinyonMarine (uncredited) | Marine (uncredited) |
 David ClarkeWounded Marine (uncredited) | Wounded Marine (uncredited) |
| FFred A. DatigMarine (uncredited) | Marine (uncredited) |
 Bruce EdwardsMarine (uncredited) | Marine (uncredited) |
 Dorothy FordTall Girl (uncredited) | Tall Girl (uncredited) |
