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

Directing

Writing

Directing

Writing

Writing

Editing

Camera

Writing

Sound

Camera

Art

Costume & Make-Up

Costume & Make-Up

Production

Directing

Sound

Sound

Directing