- Tom Tryon
- Pfc. Skip Roth
- David Hedison
- Pfc. Dave Chatfield
- Tom Reese
- Pfc. Desmond 'Let's Go' McCaffrey
- Linda Hutchings
- Grace Blake
- William Tyler
- Pvt. Russ Waller
- Barbara Stuart
- Ina Baxter
- David Brandon
- Pvt. Newt Levels
- Steve Baylor
- Pvt. Chase
- Peter Miller
- Gunnery Sgt. Howard Hawkins
- Rachel Romen
- Mrs. Ellen Hawkins
- Hideo Inamura
- Pvt. Pete Kono
- Vince Williams
- Hank Dyer (war correspondent)
- Fumiyo Fujimoto
- Song Do (Chatfield's girl)
- Heihachirô Ôkawa
- Yoshida (hotel manager)
- Giant Baba
- Fuji
- Robert Dunham
- Marine
- Richard Erdman
- MP
- Roy Jenson
- Sailor
- John L. Mack
- English Lieutenant
- Edson Stroll
- Bit role
