John Wayne

as Maj. Daniel Xavier Kirby

Robert Ryan

as Capt. Carl 'Griff' Griffin

Don Taylor

as Lt. Vern 'Cowboy' Blithe

Janis Carter

as Joan Kirby

Jay C. Flippen

as MSgt. Clancy, Line Chief

William Harrigan

as Dr. Lt.Cdr. Joe Curran

James Bell

as Colonel

Barry Kelley

as Brigadier General

Maurice Jara

as Shorty Vegay

Adam Williams

as Lt. Bert Malotke

James Dobson

as Lt. Pudge McCabe

Carleton Young

as Col. Riley

Michael St. Angel

as Capt. Harold Jorgensen, Ops. Officer

Brett King

as 1st Lt. Ernie Stark

Gordon Gebert

as Tommy Kirby

Hal Bokar

Barry Brooks

Charles Brunner

Richard Condon

James Craven

Victor Cutler

Gail Davis

as Virginia Blithe (uncredited)

Sam Edwards

Fred Graham

as MP Sergeant (uncredited)

Chuck Hamilton

Douglas Henderson

as Lt. Foster (uncredited)

Milton Kibbee

as Indian Affairs Clerk (uncredited)

Mona Knox

Keith Larsen

Harry Lauter

Paul McGuire

Eda Reiss Merin

John Mitchum

Patricia Prest

Noel Reyburn

Hugh Sanders

Lynn Stalmaster

Milburn Stone

as Fleet CIC Radio Operator (uncredited)

Harlan Warde

Dick Wessel

as Mess Sergeant (uncredited)

Mack Williams

Peter Ortiz

Chuck Courtney

as 3rd Pilot Replacement (uncredited)