On screen
Cast
13 credited performers
Patrick Wayne
Vic Mathias
John Ashley
Logan
Leigh Christian
Syrene
Sid Haig
East Eddie
Lenore Stevens
Dr. Katherine Vernon
George Nader
Nereus
Vic Diaz
Manuel the Barracuda
Eddie Garcia
The Mate
Artwork unavailable
Andres Centenera
Character not listed
Artwork unavailable
Kim Ramos
Character not listed
Artwork unavailable
Gil Arceo
Character not listed
Kenneth J. Warren
Character not listed
Artwork unavailable
Angelo Ventura
Character not listed