Sterling Hayden ( Sterling Hayden )

Lt. Tod Voorhees

Joan Leslie ( Joan Leslie )

Ellen Hanley

Ward Bond ( Ward Bond )

Lt. Tod Voorhees

James Arness ( James Arness )

George Redfield

Peter Coe ( Peter Coe )

Jumper Hall

John Pickard ( John Pickard )

Gundy Boyd

Robert J. Wilke ( Robert J. Wilke )

Sgt. Maj. Kearn

Richard Emory ( Richard Emory )

Dan Mott

Dick Paxton ( Dick Paxton )

George Nye

William Hamel ( William Hamel )

Lt. Col. Woods

Marshall Bradford ( Marshall Bradford )

Dr. Pelham

Sheb Wooley ( Sheb Wooley )

Neill Price

Rory Mallinson ( Rory Mallinson )

Banta

Pat Coleman ( Pat Coleman )

Hunchy

James Harrison ( James Harrison )

Paul Marion ( Paul Marion )

Kermit Maynard ( Kermit Maynard )

Barricade Guard

James Shaw ( James Shaw )

Oscar Blank ( Oscar Blank )

Prisoner (uncredited)

John Breen ( John Breen )

Prisoner (uncredited)

Timothy Carey ( Timothy Carey )

Wyand (uncredited)

James J. Casino ( James J. Casino )

Guard (uncredited)

John Cason ( John Cason )

Guard (uncredited)

Albert Cavens ( Albert Cavens )

Prisoner (uncredited)

Edmund Cobb ( Edmund Cobb )

Frank (uncredited)

Russell Custer ( Russell Custer )

Guard (uncredited)

James Anderson ( James Anderson )

Vern Brechene