How many movies have Frank O'Connor and Horace McMahon acted in together?

They have worked on 8 movies together! Their first movie together was They Gave Him a Gun (1937) and was their highest rated movie together. They have not worked together since Dangerous Blondes (1943). They are most known for their drama films together.

Role
Mailman (uncredited)
Role
Hoodlum (uncredited)
Role
Frank, Prison Guard (uncredited)
Role
Sylvester Odgen 'SOS' Schofield (as Horace MacMahon)
Role
Man at Auction (uncredited)
Role
Blackie Clayton
Role
Bailiff (uncredited)
Role
Prison Inmate (uncredited)