Ashton Kutcher/Gnarls Barkley

Kenan Thompson

Self - Various Characters

Kristen Wiig

Self - Various Characters

Amy Poehler

Self - Various Characters

Seth Meyers

Self - Various Characters

Will Forte

Self - Various Characters

Darrell Hammond

Self - Various Characters

Bill Hader

Self - Various Characters

Andy Samberg

Self - Various Characters

Jason Sudeikis

Self - Various Characters

Fred Armisen

Self - Various Characters

Casey Wilson

Self - Various Characters

Ashton Kutcher

Self - Host

Cameron Diaz

Self - Cameo (uncredited)

Demi Moore

Self - Cameo (uncredited)

Cee Lo Green

Self - Musical Guest

Danger Mouse

Self - Musical Guest