Robert Stack

Character: Lt. Billings

Joan Taylor

Character: Wanima

Charles McGraw

Character: Sgt. Clarke

Keith Larsen

Character: Taslik

Peter Graves

Character: Trooper Tolson

Robert J. Wilke

Character: Trooper Grady

John Doucette

Character: Trooper Charnofsky

Walter Reed

Character: Trooper Allison

Douglas Kennedy

Character: Trooper Clancy

Charles Nolte

Character: Cpl. Hamilton

James Parnell

Character: Trooper Martin

William Pullen

Character: Jeb

Richard H. Cutting

Character: Commissioner Kirby (as Richard Cutting)

Anthony Jochim

Character: Trading Post Proprietor (uncredited)

Paul Richards

Character: Trooper Perkins