Lon Chaney Jr.

Character: Mr. Demitri (as Lon Chaney)

Arthur Lake

Character: Pete

Lloyd Bridges

Character: Ray Douglas

John Qualen

Character: Capt. Athos

Dickie Moore

Character: George Athos

Eric Feldary

Character: Alex

Ian MacDonald

Character: Nick

Tanis Chandler

Character: Simi

Harry Cheshire

Character: Uncle Mike