Terry O'Quinn as Dr. Gene Clifford / Jerry Blake

Meg Foster as Carol Grayland

Caroline Williams as Matty Crimmins

Jonathan Brandis as Todd Grayland

Henry Brown as Dr. Joseph Danvers

Mitchell Laurance as Phil Grayland

Miriam Byrd-Nethery as Sally Jenkins

Leon Martell as Walt 'Smitty' Smith

Renata Scott as Betty Willis

John O'Leary as Sam Watkins

Glen Adams as Salesman

Eric Brown as Hotel Attendant

Shelley Hack as Susan (archive footage) (uncredited)

Rosemary Welden as Video Date (uncredited)

Bob Gray as Choir Singer (uncredited)

Bob Eubanks as TV Television Host (uncredited)