Vincent Price
Mark Cardigan
Jim Backus
Myron Winton
Billy Nelson
Ship's Captain (uncredited)
Peter Brocco
Thompson's First Henchman (uncredited)
Raymond Burr
Nick Ferraro
Charles McGraw
Thompson / Narrator
Robert Mitchum
Dan Milner
Philip Van Zandt
Jose Morro
Jane Russell
Lenore Brent
Tim Holt
Bill Lusk
Anthony Caruso
Tony (uncredited)
Paul Frees
Corie
Dale Van Sickel
Seaman (uncredited)
Alberto Morin
Lt. Rodriguez (uncredited)
Marjorie Reynolds
Helen Cardigan
Stacy Harris
Harry (uncredited)
Tol Avery
Fat Hoodlum
Whitney Blake
Bar patron (uncredited)
Leslie Banning
Jennie Stone
John Mylong
Martin Krafft
Carleton G. Young
Gerald Hobson
Dorothy Abbott
Card Player