Brazzaville Teen-Ager

Michael Cera

as

Gunther

Jack O'Connell

as

Mr. Hartman

Charles Grodin

as

Father

Kelis

as

Herself

Brandon Reilly

as

Dougie

Curtiss Cook

as

Conrad

Charlotte Book...

as

Mrs. Hartman

Andy Prosky

as

Dr. Schwartz

Christina Sajo...

as

Backup Singer

Deonna Bouyue

as

Backup Singer

Himanshu Suri

as

Recording Engi...

Andrew Levine

as

Adler

Adam Levite

as

Man in Recordi...

Caroline Caper...

as

Dr. Schwartz's...