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