How many movies have Bill Murray and Donald 'Duck' Dunn acted in together?

They have worked on 2 movies together! Their first movie together was The Best of John Belushi (1985) while their highest rated movie together was Saturday Night Live: The Best of Dan Aykroyd (2005). They have not worked together since Saturday Night Live: The Best of Dan Aykroyd (2005).

Role
Various Characters (archive footage)
Role
Blues Brothers Band (archive footage)