How many movies have Robert 'Bobby Z' Zajonc and Roger M. Janson collaborated on?

They have worked on 2 movies together! Their first movie together was Black Rain (1989) while their highest rated movie together was Thelma & Louise (1991). They have not worked together since Thelma & Louise (1991).

Crew
Aerial Coordinator
Crew
Construction Foreman
Role
State Police Pilot (uncredited)