as Walter Christopher Eckland
as Catherine Freneau
as Commander Frank Houghton
as Doctor Bigrave (uncredited)
as Chaplain (uncredited)
as Lieutenant Stebbings
as Dominique
as Christine
as Anne
as Elizabeth Anderson
as Angelique
as Jenny
as Captain of Submarine
as Lt. Cartwright (uncredited)
as Radioman (uncredited)
as Helmsman