The Plot Thickens - Cast

James Gleason

Police Insp. Oscar Piper
Actor

Zasu Pitts

Hildegarde Withers
Actor

Owen Davis Jr.

Robert Wilkins
Actor

Louise Latimer

Alice Stevens
Actor

Arthur Aylesworth

Kendall
Actor

Paul Fix

Joe
Actor

Richard Tucker

John Carter
Actor

Barbara Barondess

Marie
Actor

James Donlan

Jim
Actor

Agnes Anderson

Dagmar
Actor

Oscar Apfel

Robbins
Actor

Billy Dooley

Gas Station Attendant (uncredited)
Actor

Frank Fanning

Detective Fanning (uncredited)
Actor

Mary Gordon

Woman with Bag (uncredited)
Actor

Lew Kelly

Cassidy, a Policeman (uncredited)
Actor

John Miltern

Mr. Gordon, Museum Guard (uncredited)
Actor

Bodil Rosing

Theresa the Cook (uncredited)
Actor