John Ireland as Sgt. Ken 'Fletch' Fletcher

Lon McCallister as Martin

Hal March as Henry Gordon

George E. Stone as Brown - Medic

Norman Leavitt as Fred Jones

Myron Healey as Marley

Don Haggerty as Sgt. Wiley

Tris Coffin as Capt. Johnson

David Holt as Garvin

Dick Fortune as Kenson

Robert Easton as Lewis

Linda Danson as Anne

Eileen Howe as Patricia