Billy Crystal

Mike (voice)

John Goodman

Sullivan (voice)

Steve Buscemi

Randy (voice)

Helen Mirren

Dean Hardscrabble (voice)

Peter Sohn

Squishy (voice)

Joel Murray

Don (voice)

Sean Hayes

Terri (voice)

Dave Foley

Terry (voice)

Charlie Day

Art (voice)

Alfred Molina

Professor Knight (voice)

Tyler Labine

Greek Council VP (voice)

Nathan Fillion

Johnny (voice)

Aubrey Plaza

Greek Council President (voice)

Bobby Moynihan

Chet (voice)

Noah Johnston

Young Mike (voice)

Julia Sweeney

Ms. Squibbles (voice)

Bonnie Hunt

Mrs. Graves (voice)

John Krasinski

Frank McCay (voice)

Bill Hader

Referee / Slug (voice)

Beth Behrs

PNK Carrie (voice)

Bob Peterson

Roz (voice)

John Ratzenberger

Yeti (voice)

Lori Alan

Additional Voices (voice)

Carlos Alazraqui

Additional Voices (voice)

Jack Angel

Additional Voices (voice)

Bob Bergen

Additional Voices (voice)

Gregg Berger

Additional Voices (voice)

Rodger Bumpass

Additional Voices (voice)

Neil Campbell

Additional Voices (voice)

Patrick Carlyle

Additional Voices (voice)

Sean Conroy

Additional Voices (voice)

John Cygan

Additional Voices (voice)

Greg Dykstra

Additional Voices (voice)

Paul Eiding

Additional Voices (voice)

Jessica Evans

Additional Voices (voice)

Bill Farmer

Additional Voices (voice)

Keith Ferguson

Additional Voices (voice)

Andy Fischer-Price

Additional Voices (voice)

Donald Fullilove

Additional Voices (voice)

Teresa Ganzel

Additional Voices (voice)

Daniel Gerson

Additional Voices (voice)

Mike Hanford

Additional Voices (voice)

Jess Harnell

Additional Voices (voice)

Brandon Johnson

Additional Voices (voice)

John Kassir

Additional Voices (voice)

Elissa Knight

Additional Voices (voice)

Dawnn Lewis

Additional Voices (voice)

Sherry Lynn

Additional Voices (voice)

Danny Mann

Additional Voices (voice)

Jason Marsden

Additional Voices (voice)

Mona Marshall

Additional Voices (voice)

Tricia McAlpin

Additional Voices (voice)

Mickie McGowan

Additional Voices (voice)

Allan McLeod

Additional Voices (voice)

Alec Medlock

Additional Voices (voice)

Matthew Mercer

Additional Voices (voice)

Pam Murphy

Additional Voices (voice)

David Neher

Additional Voices (voice)

Laraine Newman

Additional Voices (voice)

Colleen O'Shaughnessey

Additional Voices (voice)

Bret Parker

Additional Voices (voice)

Donovan Patton

Additional Voices (voice)

Dannah Feinglass Phirman

Additional Voices (voice)

Jeff Pidgeon

Additional Voices (voice)

Cristina Pucelli

Additional Voices (voice)

Jan Rabson

Additional Voices (voice)

Dan Scanlon

Additional Voices (voice)

Patrick Seitz

Additional Voices (voice)

Betsy Sodaro

Additional Voices (voice)

Joel Spence

Additional Voices (voice)

Mindy Sterling

Additional Voices (voice)

Tara Strong

Additional Voices (voice)

David Theune

Additional Voices (voice)

Marcia Wallace

Additional Voices (voice)

Jim Ward

Additional Voices (voice)

Colette Whitaker

Additional Voices (voice)

April Winchell

Additional Voices (voice)

Ava Acres

Additional Children's Voices (voice)

Isabella Acres

Additional Children's Voices (voice)

Tyree Brown

Additional Children's Voices (voice)

Mason Cook

Additional Children's Voices (voice)

Montse Hernandez

Additional Children's Voices (voice)

Madison Rothschild

Additional Children's Voices (voice)

Raymond Ochoa

Additional Children's Voices (voice)

Davin Ransom

Additional Children's Voices (voice)

Samantha Sadoff

Additional Children's Voices (voice)

Kristen Li

Additional Children's Voices (voice)

Joseph John Schirle

Additional Children's Voices (voice)

Aramé Scott

Additional Children's Voices (voice)

Erica Teeple

Additional Children's Voices (voice)