Tom Boutross Director, Film Editing Robert Clarke Dr. Gilbert McKenna Director, Actor, Writer, Producer Patricia Manning Ann Russell Actor Nan Peterson Trudy Osborne Actor Patrick Whyte Dr. Frederick Buckell Actor Fred La Porta Dr. Jacob Hoffman Actor Peter Similuk George Messorio Actor William White Police Lt. Peterson Actor Robert Garry Dr. Stern Actor Donna King Suzy's Mother Actor Xandra Conkling Suzy Actor Del Courtney Radio Deejay Actor Phil Hiner Writer E.S. Seeley Jr. Screenwriter Robin C. Kirkman Associate Producer John Seely Music Marilyn King Original Song Stan Follis Cinematographer Vilis Lapenieks Cinematographer John Arthur Morrill Cinematographer Richard Cassarino Art Director