How many movies have Henry O'Neill and Pat O’Brien acted in together?

They have worked on 12 movies together! Their first movie together was I've Got Your Number (1934) while their highest rated movie together was Oil for the Lamps of China (1935). They have not worked together since The People Against O'Hara (1951). They are most known for their drama films together.

Role
District Attorney
Role
Warden Walter Long
Role
Admiral Thomas
Role
Butch Rogers
Role
Defense Attorney
Role
James Aloysius 'Jim' / 'Jimmy' O'Malley
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Gen. John "Jack" Brent Fitts
Role
"Scrapper" Thornhhill
Role
Mr. John P. Schuyler
Role
Terry Riley