Beth Mason
Dr. Carl Fletcher
Coroner
Joan Fletcher
Fred Mason
District Attorney
Paula Dupree, the Ape Woman
Miss Gray
Dr. Meredith
George
Bob Whitney
Willie
Caretaker
Joe, the Fingerprint Man
Curley (archive footage / uncredited)
Fred Mason (in long shots) (archive footage / uncredited)
Court Stenographer (uncredited)
Dr. Sigmund Walters (archive footage / uncredited)
Inquest Juror (uncredited)
Inquest Juror (uncredited)
Inquest Juror (uncredited)
Cheela (archive footage / uncredited)
Beth's Neighbor (archive footage / uncredited)
Inquest Juror (uncredited)
Inquest Juror (uncredited)
Inquest Juror (uncredited)
Ringmaster (archive footage / uncredited)