How many movies have Cliff Saum and Don Ryan 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 On Trial (1939). They are most known for their crime films together.

Role
Uniformed Gendarme
Crew
Screenplay
Role
Train Conductor (uncredited)
Crew
Screenplay