Muscle-bound twins try to smash a jewel smuggling ring.
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 Marlow
