Peter Jensen
Julia Merrow
Kara Jensen
Robert Booker
Stan Chasen
Dr. Raymond Ardmore
Young Kara
Mary Jensen
Karen Sowells
Stunt EDAC Worker
Margaret Harrington
Samantha
Miss Potion
Stunt Suspect
Dr. John Tedesco
David Lincoln
Jerry
Lou
News Anchor
Chet
Stunt Lab Worker
Lab Technician (uncredited)