How many movies have Donald 'Duck' Dunn and John Belushi acted in together?

They have worked on 4 movies together! Their first movie together was The Blues Brothers (1980) 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). They are most known for their comedy films together.

Role
Self - Blues Brothers Band (archive footage) (uncredited)
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Self / Various (archive footage)
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Various characters
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Various characters
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Donald 'Duck' Dunn
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'Joliet' Jake Blues