Van Heflin as Major Sam Huxley

Aldo Ray as Andy Hookens

Mona Freeman as Kathy

James Whitmore as MSgt. Mac

Nancy Olson as Mrs. Pat Rogers

Raymond Massey as Major General Snipes

Tab Hunter as Pvt Dan 'Danny' Forrester

Anne Francis as Rae

Dorothy Malone as Mrs Elaine Yarborough

Fess Parker as Pvt Speedy

Perry Lopez as Pvt Joe Gomez aka Spanish Joe

William Campbell as Pvt 'Ski" Wronski

Jonas Applegarth as Pvt Lightower

L.Q. Jones as Pvt. L.Q. Jones

Allyn Ann McLerie as Ruby - Waitress in Diner

John Lupton as Pvt./Cpl. Marion 'Sister Mary' Hotchkiss

Tommy Cook as Cpl. Ziltch - Huxley's orderly

Felix Noriego as Pvt. Crazy Horse - Navajo Phonetalker

Susan Morrow as Susan - Ski's girl

Carleton Young as Maj. Jim Wellman - Battalion Executive Officer

Rhys Williams as Enoch Rogers

Gregory Walcott as Sgt. Jim Beller - Drill Instructor

Frank Ferguson as Mr. Hector Walker

Sarah Selby as Mrs. Forrester

Willis Bouchey as Mr. Forrester

Lee Allen as Minor Role (uncredited)

Roxanne Arlen as Blonde Girl (uncredited)

David Armstrong as Other Boy (uncredited)

Joan Arnold as Cheap Dame (uncredited)

John Ayres as Conductor (uncredited)

Rayford Barnes as Marine Aide on Command Ship Off Saipan (uncredited)

Paul Barry as Minor Role (uncredited)

Hal Bokar as Marine (uncredited)

Budd Buster as Old Man (uncredited)

Chick Chandler as Capt. Chaplin (uncredited)

Dean Cromer as Watkins (uncredited)

Glen Denning as Seabags (uncredited)

Jack Downs as Minor Role (uncredited)

Don Durant as Marine (uncredited)

Bess Flowers as Woman Seated at Table for Three (uncredited)

Sol Gorss as Bartender in Brawl (uncredited)

Paul Grant as Orderly (uncredited)

Fred Hanson as Minor Role (uncredited)

Carl Harbaugh as New Zealander in Bar (uncredited)

Lumsden Hare as New Zealander in Bar (uncredited)

Chuck Hicks as Marine in Hospital (uncredited)

Clark Howat as Marine Colonel (uncredited)

Jack Jordan as Adm. Parks (uncredited)

Byron Keith as Recruiting Sergeant (uncredited)

Harold Knudsen as Bud Forrester (uncredited)

June McCall as Second Girl (uncredited)

Philo McCullough as Man in Bar (uncredited)

Victor Millan as Pvt. Pedro (uncredited)

Fay Morley as Third Girl (uncredited)

Jack Mower as Man in Bar (uncredited)

William H. O'Brien as Bartender (uncredited)

Eddie Parker as Bartender in Brawl (uncredited)

Hilda Plowright as Mrs. Rogers (uncredited)

Leoda Richards as Wedding Guest (uncredited)

Jack Rollens as News Hawk (uncredited)

George Selk as Old Man (uncredited)

Jack Shea as Baltimore Recruiting Sergeant (uncredited)

Charles Sherlock as New Zealander in Bar (uncredited)

Kay Stewart as Mrs. Martha Walker (uncredited)

Jack Stoney as Bartender in Brawl (uncredited)

Dale Van Sickel as Bartender in Brawl (uncredited)

Sailor Vincent as Bartender in Brawl (uncredited)

Ralph Volkie as Bartender (uncredited)

Tom Wilson as Arcade Proprietor (uncredited)