How many movies have Don McKellar and Matt Cahill acted in together?

They have worked on 1 movie together! Their first movie together was Childstar (2004) and was their highest rated movie together. They have not worked together since Childstar (2004).

Childstar (2004)

Crew
Director
Role
Camp Counsellor (First Son Actors)
Role
Rick Shille
Crew
Post Production Supervisor
Crew
Writer