Rick Sanchez / Morty Smith (voice) / Mr. Poopybutthole (voice)

Justin Roiland

Beth

Sarah Chalke

Jerry Smith (voice)

Chris Parnell

Summer

Spencer Grammer

Ma-Sha

Claudia Black

Prince Nebulon/Radio Voice

David Cross

Giant/Restaurant Owner

Steve Agee

Insurance Salesman/David Letterman

Jeff Bergman

Jessica's Friend/Pregnant Girl

Reagan Gomez-Preston

Leonard Smith

Dana Carvey

Mrs. Pancakes/Scary Melissa/Anchorwoman

Melique Berger

The Devil

Alfred Molina

Customs Gromflomite/Glen

Eric Bauza

Peasant 1 / Good Cop / Giant Judge (voice)

Rob Paulsen

Additional Voices (voice) / Jessica (voice) / (voice)

Kari Wahlgren

Scary Terry/Dog Soldier 2

Jess Harnell

Nancy

Aislinn Paul

Gear Head (voice) / Plutonian Chat Show Host 2 / Teenager Employee (voice)

Scott Chernoff

Additional Voices (voice) / Birdperson (voice) / Mr. Nimbus (voice)

Dan Harmon

Dr. Xenon Bloom

John Oliver

Zardoz Head/Teenager Morty Jr.

Richard Christy

Melique Berger

Gazorpian

Virginia Hey

Principal Gene Vagina (voice) / Scary Glenn (voice) / Principal Gene Vagina

Phil Hendrie

Tammy Gueterman (voice) / Tricia Lange (voice) / (voice)

Cassie Steele

King Flippy Nips

Rich Fulcher

Ethan

Dan Benson

Additional Voices (voice) / Squanchy (voice) / Gene (voice)

Tom Kenny

Narrator

Smith Harrison

Additional Voices (voice) / King of the Sun (voice) / Abradolf Lincoler (voice)

Maurice LaMarche

Johnny/Wife Beater

Adam Ray

Annie/Train Announcement

Jackie Buscarino

Mr. Goldenfold (voice) / Additional Voices (voice) / Mr. Goldenfold

Brandon Johnson

Slippery Stair

Vatche Panos

Lucy

Alejandra Gollas

(voice) / Additional Voices (voice) / Lighthouse Chief (voice)

Ryan Ridley

Criminal 2/Assembly Line Worker

Megan Elizabeth Adams

Mrs. Tate/Party Guest 1

Tress MacNeille

(voice) / Brad (voice) / Additional Voices (voice)

Echo Kellum

Child Morty Jr.

Will Jennings

Giant Woman

Cree Summer

Additional Voices (voice) / Alien Waiting in Line / Special Agent Mongo Bongo (voice)

Nolan North

Joyce Smith

Patricia Lentz

Guest Voice

Lauren Hillman

(voice) / Additional Voices (voice) / Tom Randolph (voice)

Rob Schrab

(voice) / Assimilated Alien 5 (voice) / Poncho

Gary Anthony Williams

Baby Morty Jr.

Finnegan Perry

Rick Sanchez (voice)

Ian Cardoni

Slow Mobius/"Party!" Boy

Chris Romano

Morty Smith (voice)

Harry Belden

President / Governor Andre Curtis (voice) / President Curtis

Keith David

(voice) / Snake Humanoid (voice) / Additional Voices (voice)

Nick Reczynski

(voice) / Observer Offering Money (voice) / Timmy Timtim (voice)

Troy Baker

Stacy (voice) / Additional Voices (voice) / Tinkles

Tara Strong

Death Stalker Leader / Knight (voice) / Gramuflack Reporter (voice)

John DiMaggio

Director

Pete Michels

Director

Dominic Polcino

Director

Jacob Hair