Bob Angelini
Lab Tech
Acting
Bern Cohen
Dr. William Lemmon
Acting
Reagan Leonard
Stephanie LaFarge
Acting
Nim Chimpsky
Self (archive footage)
Acting
Stephanie LaFarge
Self
Acting
Herbert Terrace
Self
Acting
Wer LaFarge
Self (archive footage)
Acting
Jenny Lee
Self
Acting
Laura-Ann Petitto
Self
Acting
Bill Tynan
Self
Acting
Joyce Butler
Self
Acting
Renne Falitz
Self
Acting
Bob Ingersoll
Self
Acting
Alyce Moore
Self
Acting
James Mahoney
Self (as Dr. James Mahoney)
Acting
Henry Herrmann
Self
Acting
Cleveland Amory
Self (archive footage)
Acting
Marion Probst
Self
Acting
Chris Byrne
Self
Acting
Anna May Marsh
Signing Girl: re-enactment unit
Acting
Sarah Sakaan
Renee Falitz: re-enactment unit
Acting
Dennis Lauricella
Beefy Guy: re-enactment unit
Acting
Robert Nesi
Beefy Guy: re-enactment unit (as Robert J. Nesi)
Acting
Scarlett Bermingham
Laura-Ann Petitto: re-enactment unit
Acting
Mike Devoe
Mike Devoe
Acting
Michael S. LePera
Wer LaFarge: re-enactment unit (as Michael LePera)
Acting
Peter Elliott
Nim Cimpsky - Reenactment Unit (uncredited)
Acting