Jimmy T. Murakami Director Richard Thomas Shad Actor Robert Vaughn Gelt Actor George Peppard Cowboy Actor Darlanne Fluegel Nanelia Actor Sybil Danning Saint-Exmin Actor Sam Jaffe Dr. Hephaestus Actor Morgan Woodward Cayman Actor Steve Davis Quopeg Actor Jeff Corey Zed Actor Julia Duffy Mol Actor Marta Kristen Lux Actor John Sayles Screenwriter Ed Carlin Producer Roger Corman Executive Producer Daniel Lacambre Cinematographer Allan Holzman Film Editing R.J. Kizer Film Editing James Horner Original Music Charles William Breen Art Director Jim Cameron Art Director John Zabrucky Set Decoration Durinda Wood Costume Design