Rock Hudson as Col. Dean E. Hess

Anna Kashfi as En Soon Yang

Dan Duryea as Sgt. Herman

Don DeFore as Capt. Dan Skidmore

Martha Hyer as Mary Hess

Jock Mahoney as Maj. Frank Moore

Alan Hale Jr. as Mess Sergeant

James Edwards as Lt. Maples

Richard Loo as Gen. Kim (scenes deleted)

Simon Scott as Lt. Hollis

Carl Benton Reid as Deacon Edwards

Philip Ahn as Old Man

Bartlett Robinson as General Timberidge

Teru Shimada as Korean Official

Carleton Young as Major Harrison

Jung' Kyoo Pyo as Chu

Art Millan as Captain Reardon

William Hudson as Navy Lieutenant

Paul Sorensen as Sentry

James Hong as ROK Maj. Chong (uncredited)