as Captain Morris
as Mr. Jamison
as Hollister (as Ben Wilson)
as Officer 444
as Carter Holmes
as Lawrence Ashmore / Larry Craven
as Carrillo
as Henry Ernshaw - Alice's Fiancé
as John Shirley
as Capt. Deane
as Jim Thorpe
as John Rand (as Ben Wilson)
as John Emerson
as 'Alphabet' Carter
as Sam Warren
as Reginald - the British Officer
as Rene Haggard
as Jairus Drake
as The Deep-Sea Diver
