How many movies have Thomas F. O'Neill and Walter Brennan collaborated on?

They have worked on 3 movies together! Their first movie together was The Last Performance (1929) and was their highest rated movie together. They have not worked together since Saturday's Millions (1933). They are most known for their drama films together.

Crew
Assistant Art Director
Role
Desk Sergeant ('Springtime') / Soldier ('All Noisy on the Eastern Front') / Waiter ('Oh! Forevermore!') / Front End of Horse / Quartet Member ('Nellie')