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

They have worked on 5 movies together! Their first movie together was Dr. Gillespie's Criminal Case (1943) while their highest rated movie together was Lost Angel (1943). They have not worked together since Three Wise Fools (1946). They are most known for their drama films together.

Role
Prof. Horace Appleby
Role
Sheila O'Monahan
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Professor Josh Pringle
Role
Alpha
Role
Captain in Frank Morgan Skit (uncredited)
Role
Customer in Red Skelton Skit