How many movies have Ernest Dryden and Ronald Colman collaborated on?

They have worked on 2 movies together! Their first movie together was Lost Horizon (1937) while their highest rated movie together was The Prisoner of Zenda (1937). They have not worked together since The Prisoner of Zenda (1937).

Crew
Costume Design
Role
Major Rudolf Rassendyll / The Prisoner of Zenda
Crew
Costume Design
Role
Robert " Bob " Conway