Richard Widmark as Sam McHale

Don Taylor as Jenkins

Max Showalter as Walter Landers

Murvyn Vye as Kengtu

Darryl Hickman as Wilbur "Coney" Cohen

Martin Milner as Elwood Halsey

Ross Bagdasarian as Paul Sabatello

Judy Dan as Nura-Salu

Rodolfo Acosta as Tomec

Russell Collins as Hobart Wyatt

Leonard Strong as Wali-Akhun

Earl Holliman as Frank Swenson (uncredited)

Richard Loo as Commanding Officer, Japanese POW Camp (uncredited)