How many movies have Glen Cavender and Henry Zynda acted in together?

They have worked on 4 movies together! Their first movie together was Espionage Agent (1939) while their highest rated movie together was Pack Up Your Troubles (1939). They have not worked together since Calling Philo Vance (1940).

Role
Train Porter Asked to Send Telegram (uncredited)
Role
Austrian Lieutenant (uncredited)