- Van Heflin
- Maj. Sam Huxley
- Aldo Ray
- Pvt. / Pfc Andy Hookens
- Mona Freeman
- Kathy
- Nancy Olson
- Mrs. Pat Rogers
- James Whitmore
- MSgt. Mac / Narrator
- Raymond Massey
- Maj. Gen. Snipes
- Tab Hunter
- Pvt. / Cpl. Dan 'Danny' Forrester
- Dorothy Malone
- Mrs. Elaine Yarborough
- Anne Francis
- Rae
- William Campbell
- Pvt. 'Ski' Wronski
- John Lupton
- Pvt. / Cpl. Marion 'Sister Mary' Hotchkiss
- L.Q. Jones
- Pvt. L.Q. Jones
- Perry Lopez
- Pvt. Joe Gomez - aka Spanish Joe
- Fess Parker
- Pvt. Speedy
- Jonas Applegarth
- Pvt. Lighttower - Navajo Phonetalker
- Tommy Cook
- Cpl. Ziltch - Huxley's orderly
- Felix Noriego
- Pvt. Crazy Horse - Navajo Phonetalker
- Susan Morrow
- Susan - Ski's girl
- Carleton Young
- Maj. Jim Wellman - Battalion Executive Officer
- Rhys Williams
- Enoch Rogers
- Allyn Ann McLerie
- Ruby - Waitress in Diner
- Gregory Walcott
- Sgt. Jim Beller - Drill Instructor
- Frank Ferguson
- Mr. Hector Walker
- Sarah Selby
- Mrs. Forrester
- Willis Bouchey
- Mr. Forrester
- Lee Allen
- Minor Role
- Roxanne Arlen
- Blonde Girl
- David Armstrong
- Other Boy
- Joan Arnold
- Cheap Dame
- John Ayres
- Conductor
- Rayford Barnes
- Marine Aide on Command Ship Off Saipan
- Paul Barry
- Minor Role
- Hal Bokar
- Marine
- Budd Buster
- Old Man
- Chick Chandler
- Capt. Chaplin
- Dean Cromer
- Watkins
- Glen Denning
- Seabags
- Jack Downs
- Minor Role
- Don Durant
- Marine
- Bess Flowers
- Woman Seated at Table for Three
- Sol Gorss
- Bartender in Brawl
- Paul Grant
- Orderly
- Fred Hanson
- Minor Role
- Carl Harbaugh
- New Zealander in Bar
- Lumsden Hare
- New Zealander in Bar
- Chuck Hicks
- Marine in Hospital
- Clark Howat
- Marine Colonel
- Jack Jordan
- Adm. Parks
- Byron Keith
- Recruiting Sergeant
- Harold Knudsen
- Bud Forrester
- June McCall
- Second Girl
- Philo McCullough
- Man in Bar
- Victor Millan
- Pvt. Pedro
- Fay Morley
- Third Girl
- Jack Mower
- Man in Bar
- William H. O'Brien
- Bartender
- Eddie Parker
- Bartender in Brawl
- Hilda Plowright
- Mrs. Rogers
- Leoda Richards
- Wedding Guest
- Jack Rollens
- News Hawk
- George Selk
- Old Man
- Jack Shea
- Baltimore Recruiting Sergeant
- Charles Sherlock
- New Zealander in Bar
- Kay Stewart
- Mrs. Martha Walker
- Jack Stoney
- Bartender in Brawl
- Dale Van Sickel
- Bartender in Brawl
- Sailor Vincent
- Bartender in Brawl
- Ralph Volkie
- Bartender
- Tom Wilson
- Arcade Proprietor
