Monsters University— Full Cast

Billy Crystal

as Mike (voice)

John Goodman

as Sullivan (voice)

Steve Buscemi

as Randy (voice)

Helen Mirren

as Dean Hardscrabble (voice)

Peter Sohn

as Squishy (voice)

Joel Murray

as Don (voice)

Sean Hayes

as Terri (voice)

Dave Foley

as Terry (voice)

Charlie Day

as Art (voice)

Alfred Molina

as Professor Knight (voice)

Tyler Labine

as Greek Council VP (voice)

Nathan Fillion

as Johnny (voice)

Aubrey Plaza

as Greek Council President (voice)

Bobby Moynihan

as Chet (voice)

Noah Johnston

as Young Mike (voice)