as Police Capt. H.B. Collins
as Frank Temple
as
as John Hammond
as George Parradine
as Tony Morell / Wade Antrim
as Cox
as George McCloud
as John Morland
as Anthony Morgan
as Herbert L. Sayers
as Doctor Elmore
as Alexander Cardovsky
as Rollo Bingham
as Lyman Brooks
as Gregg Talbot
as Dwight, Ship's Officer
as Cousin George
as Peterson
as Andrew Belmont
as John Henderson / El Vengador
as George Butler
as Thorndyke
as Dr. Niles Nelson
as Dick Holbrook (as John Eldridge)
as Boris
as Mr. Cartwright
as Paul Morgan
as Dr. Harrigan
as Tom Claybourne
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Biography