How many movies have John Butler and Kevin O'Morrison acted in together?

They have worked on 2 movies together! Their first movie together was The Set-Up (1949) and was their highest rated movie together. They have not worked together since Too Late for Tears (1949).

Too Late for Tears (1949)

Role
Little Man Answering Phone (uncredited)
Role
Policeman (uncredited)

The Set-Up (1949)

Role
Blind Man's Buddy (uncredited)
Role
Moore