Aziz Ansari as Li'l Bud

Bono as Fake Arcade Fire Bandmember

Michael Cera as Bartender / Grandmaster Mike

James Franco as Man on Phone

Zach Galifianakis as Captain Zach the Astronaut

Bill Hader as Captain Bill the Astronaut

Ben Stiller as Fake Arcade Fire Bandmember

Eric Wareheim as Big Bud

Rainn Wilson as Carl the Roadie

Win Butler as Win Butler

Will Butler as Will Butler

Régine Chassagne as Régine Chassagne

Richard Reed Parry as Richard Reed Parry

Jeremy Gara as Jeremy Gara

Tim Kingsbury as Tim Kingsbury

Jason Schwartzman as Centaur