How many movies have Don Ryan and Paul Panzer collaborated on?

They have worked on 5 movies together! Their first movie together was Smart Blonde (1937) while their highest rated movie together was The Case of the Stuttering Bishop (1937). They have not worked together since Devil's Island (1939). They are most known for their crime films together.

Crew
Screenplay
Role
Hartman's Cafe Customer (uncredited)
Crew
Screenplay
Role
Guiseppe - Waiter (uncredited)
Crew
Screenplay
Role
Police Sergeant Clerk
Crew
Screenplay
Role
Blind Beggar (uncredited)