Alex Rebar as Steve West

Burr DeBenning as Dr. Ted Nelson

Myron Healey as General Michael Perry

Michael Alldredge as Sheriff Neil Blake

Ann Sweeny as Judy Nelson

Lisle Wilson as Dr. Loring

Cheryl Smith as The Model

Julie Drazen as Carol

Stuart Edmond Rodgers as Little Boy

Chris Witney as Little Boy

Edwin Max as Harold

Dorothy Love as Helen

Janus Blythe as Nell Winters

Jonathan Demme as Matt Winters

Westbrook Claridge as Second Security Guard

DeForest Covan as Janitor

Samuel W. Gelfman as Fisherman

Bonnie Inch as Nurse

Mickey Lolich as First Security Guard

Keith Michl as Maintenance Man

Leigh Mitchell as Carol's Mother

Don Walters as Photographer

Newell Alexander as Steve West (voice)

Rosemary Alexander as Nora (voice)

Dave Hull as Houston Control (voice)

Jennifer Mulaire as Newscaster (voice)