Aaron Paul as "Weird" Al Yankovic

Patton Oswalt as Dr. Demento

Olivia Wilde as Madonna

Mary Steenburgen as Mrs. Yankovic

Gary Cole as Mr. Yankovic

Andrew Astor as Young Weird Al

Paul Scheer as Club MC

Curtis Gwinn as Band Member

Jonah Ray Rodrigues as Band Member

Chris Kula as

Johnny Ray Meeks as

Charlie Sanders as

Leeza Gibbons as Newscaster

Matt Jones as Bartender

Brian Huskey as

'Weird Al' Yankovic as Producer

Andy Bloch as

Scott J. Davis as