How many movies have Adrien Caillard and Conrad Veidt acted in together?

They have worked on 3 movies together! Their first movie together was Napoleon (1927) and was their highest rated movie together. They have not worked together since Napoléon vu par Abel Gance - Deuxième partie : Napoléon et la Révolution française (2024). They are most known for their history films together.