A priceless Cellini silver cup is stolen from a local museum with both Hildegarde and Oscar on the case.

Police Insp. Oscar Piper

Hildegarde Withers

Robert Wilkins

Alice Stevens

Kendall

Joe

John Carter

Marie

Jim

Dagmar

Robbins

Gas Station Attendant (uncredited)

Detective Fanning (uncredited)

Woman with Bag (uncredited)

Museum Guard in Egyptian Room (uncredited)

Cassidy, a Policeman (uncredited)

Mr. Gordon, Museum Guard (uncredited)
December 11, 1936

Police Insp. Oscar Piper

Hildegarde Withers

Robert Wilkins

Alice Stevens

Kendall

Joe

John Carter

Marie

Jim

Dagmar

Robbins

Gas Station Attendant (uncredited)

Detective Fanning (uncredited)

Woman with Bag (uncredited)

Museum Guard in Egyptian Room (uncredited)

Cassidy, a Policeman (uncredited)

Mr. Gordon, Museum Guard (uncredited)
