How many movies have Irene and James O'Hanlon collaborated on?

They have worked on 4 movies together! Their first movie together was Maisie Goes to Reno (1944) while their highest rated movie together was Song of the Thin Man (1947). They have not worked together since Song of the Thin Man (1947). They are most known for their comedy films together.

Crew
Costume Supervisor
Crew
Additional Dialogue
Crew
Costume Supervisor
Crew
Additional Dialogue
Crew
Costume Supervisor
Crew
Screenplay