Dean Stockwell as Avery Jensen

Stefanie Powers as Karen McMillan

James Stacy as Jerry

Tina Chen as Lisa

Elliott Street as Joel Fisher

James Olson as Art Fletcher

Jason Wingreen as Doctor

Dan Barton as Electronics Expert

Robert Patten as Father

Suzanne Taylor as Mother

Johnny Scott Lee as Avery - as a Boy

Len Wayland as Executive

Dean Harens as Bureaucrat

Bob Golden as Deputy

Marcy Lafferty as Secretary

Craig Guenther as Federal Agent

Ross Elliott as Sheriff