Cast
Viveca Lindfors
Mrs. Schnagel
Mike Kellin
Mancuso
Damon Evans
Lynn Carlin
Barbara
Estelle Parsons
Crossland
Fred J. Scollay
Dr. McBride
Stephen Macht
Dahlquist
John Travolta
Lab Technician (uncredited)
Roy Poole
Dr. Goodman
Richard McKenzie
Mr. Dennison
Lindsay Crouse
Karen
Jeff Pomerantz
Professor
William Shatner
Prof. Stephen Turner
Ossie Davis
Reed
Charles White
Harry Vogel