How many movies have Fred Kohler and George Bancroft acted in together?

They have worked on 6 movies together! Their first movie together was Old Ironsides (1926) while their highest rated movie together was Underworld (1927). They have not worked together since Thunderbolt (1929). They are most known for their drama films together.

Role
'Bad Al' Friedberg
Role
Thunderbolt Jim Lang