Robert 'Fish' Fishman

Rainn Wilson

Acting

Curtis

Teddy Geiger

Acting

Matt Gadman

Josh Gad

Acting

Amelia

Emma Stone

Acting

Kim

Christina Applegate

Acting

Stan

Jeff Garlin

Acting

Lisa

Jane Lynch

Acting

David Marshall

Jason Sudeikis

Acting

Lex

Will Arnett

Acting

Gator

Howard Hesseman

Acting

Kerr

Fred Armisen

Acting

Trash

Bradley Cooper

Acting

Sticks

Lonny Ross

Acting

Billy

Jon Glaser

Acting

Carol

Jane Krakowski

Acting

Violet

Samantha Weinstein

Acting

Kip

Demetri Martin

Acting

Aziz

Aziz Ansari

Acting

Erica

Ellie Knaus

Acting

Amelia's Mom

Laura de Carteret

Acting

Amelia's Dad

Steve Adams

Acting

Moby Type Kid

Keir Gilchrist

Acting

I Heart Matt Girl

Brittany Allen

Acting

Gary

Vik Sahay

Acting

Leon

Mark Forward

Acting

Jeremy

Jonathan Malen

Acting

Jeremy's Mother

Rebecca Northan

Acting

Mr. Lee

Simon Sinn

Acting

Barney

Ennis Esmer

Acting

Self

SuChin Pak

Acting

Trashy Groupie

Николь Арбур

Acting

Paul

Jon Cor

Acting

Amy

Talia Russo

Acting

Prom Queen Jennifer

Tanya Bevan

Acting

Prom King Josh

Wesley Morgan

Acting

Self

Pete Best

Acting

Crazy Fan (uncredited)

Jordan Lawson

Acting