Walter Dennison
Major
Gareth Blackford
Andy Callaway
Kingsley
John Wilson - Banker
Martin Belman
Second Mate on Riverboat (uncredited)
Capt. Jackson
Captain Adair
Ralph Douglas
Dennis Johnson
Capt. Fraser
Bruce Burnett
Bill Jordan
Louis Fronval
Bill Wright
Detective Dearborn
Mr. Stuart
Murray Evans
Bill O'Hara
Bradford Collins
Larry Blendon
John Clark
Museum Curator Stevenson
Rex Miller
Captain Saunders (Uncredited)
Gil Gailord
Eddie Delaney
Capt. Bill Patrick
Oliver Lindsay
Scar Edwards
Burns (uncredited)
Noel Weber
Lieutenant Onslow
Mr. Tupper
Ralph Krawford
