Norman Martell

Helen Martell

Peggy Hill

Dr. Peter Murdoch

Supt. Ross

Simmons, the Producer

Miss Potter

Mrs. Booth

Marshall

Cinema cashier

Cleo

Rehearsal Pianist (Uncredited)

Cinema sales girl (uncredited)

Det. Sgt. Fred Smith (uncredited)

Patrol car policeman (uncredited)

P.C. Williams (uncredited)

Sheila (Party Guest) (uncredited)

Sleeping Man in Theater (uncredited)

Detective Examining Tape-Recorder (uncredited)

Cinema manager (uncredited)

Det. Sgt. Carter (uncredited)

Detective / Fingerprints Officer (uncredited)

Costume & Make-Up

Writing

Directing

Writing

Editing

Directing

Writing

Camera

Directing

Production

Directing

Art

Costume & Make-Up

Camera

Sound

Writing

Sound

Sound

Costume & Make-Up