Arnold (voice)

Phillip Van Dyke

Arnold Shortman

Spencer Klein

Helga Pataki (voice) / —

Francesca Smith

Gerald Johanssen

Jamil W. Smith

Harold Berman (voice) / —

Justin Shenkarow

Helga Pataki

Francesca Marie Smith

Guest Voice

Rick Corso

Guest Voice

Ashley Buccille

Guest Voice

Mayim Bialik

Guest Voice

Charles Adler

Guest Voice

Josh Evans

Guest Voice

Downtown Julie Brown

Guest Voice

Lori Alan

Guest Voice

Maria Bamford

Guest Voice

Joe Alaskey

Guest Voice

Dan Butler

Rhonda Wellington Lloyd (voice)

Olivia Hack

Guest Voice

Jacqueline Bisset

Guest Voice

Dan Castellaneta

Guest Voice

Kyle Gibson

Guest Voice

James Belushi

Guest Voice

Laraine Newman

Phoebe Heyerdahl (voice)

Anndi McAfee

Guest Voice

Sam Gifaldi

Guest Voice

Kathy Baker

Guest Voice

Michael Levin

Guest Voice

Henry Gibson

Guest Voice

Maurice LaMarche

Eugene Horowitz (voice)

Ben Diskin

Guest Voice

Ileen Getz

Guest Voice

Avriel Epps

Guest Voice

Phil LaMarr

Guest Voice

Charisma Carpenter

Guest Voice

Kath E. Soucie

Guest Voice

Rick Fitts

Guest Voice

Tress MacNeille

Guest Voice

James Keane

Guest Voice

Grant Hoover

Guest Voice

Phyllis Diller

Guest Voice

Dom Irrera

Guest Voice

Rebecca Forstadt

Guest Voice

John Mariano

Guest Voice

Candi Milo

Guest Voice

Pamela Hayden

Guest Voice

Nika Futterman

Guest Voice

Danielle Judovits

Guest Voice

Tony Jay

Guest Voice

Harvey Korman

Guest Voice

Chloe Webb

Guest Voice

Joe Lala

Guest Voice

Cameron Van Hoy

Eugene Horowitz (voice)

Blake McIver Ewing

Guest Voice

Kathie Lee Gifford

Guest Voice

Kathy Najimy

Guest Voice

Lou Rawls

Guest Voice

Sam McMurray

Guest Voice

Danny Mann

Guest Voice

Billy West

Guest Voice

John Rubano

Arnold (voice)

Lane Toran

—

Adam Wylie

Guest Voice

Lauren Robinson

Guest Voice

Rusty Flood

Guest Voice

Zelda Rubinstein

Guest Voice

Mary Scheer

Guest Voice

Charles Shaughnessy

Guest Voice

Cathy Moriarty

Guest Voice

Ryan Seacrest

Guest Voice

Craig Bartlett

Guest Voice

Steve Viksten

Guest Voice

Baoan Coleman

Guest Voice

Lloyd Sherr

Guest Voice

E.G. Daily

Guest Voice

Jordan Warkol

Guest Voice

Christopher Walberg

Guest Voice

Michael McKean

Guest Voice

Tim Wiley

Guest Voice

David Wohl

Guest Voice

Haley Joel Osment

—

Tony Jay

—

Shari Belafonte

—

Michael Welch

—

Ron Perlman

Director

Larry Leichliter

Director

Tuck Tucker

Director

Craig Bartlett

Director

Dan Povenmire

Director

Alan Smart