Muscle-bound twins try to smash a jewel smuggling ring.
John Paragon
Peter Paul
David Paul
Roddy McDowall
David Carradine
Steve Kanaly
Troy Donahue
A.J. Johnson
Bill Mumy
James Doohan
Collin Bernsen
Timothy Stack
Bob Evan Collins
Lewis Arquette
Phil H. Fravel
Nancy Marlowe
Motion Picture Corporation of America
