Rick Sanchez (voice)

Ian Cardoni

Morty Smith (voice)

Harry Belden

Summer Smith (voice) / Glenn's Wife (voice) / Dream Summer (voice)

Spencer Grammer

Jerry Smith (voice)

Chris Parnell

Beth Smith (voice)

Sarah Chalke

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

Justin Roiland

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

Kari Wahlgren

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

Dan Harmon

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

Tom Kenny

Additional Voices (voice) / King of the Sun (voice) / Miniverse Mayor (voice)

Maurice LaMarche

(voice) / Additional Voices (voice) / Roy's Doctor (voice)

Ryan Ridley

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

Brandon Johnson

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

Nolan North

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

Cassie Steele

President / Governor Andre Curtis (voice) / Reverse Giraffe (voice)

Keith David

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

Echo Kellum

Principal Gene Vagina (voice) / Principal Gene Vagina / Newscaster

Phil Hendrie

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

Rob Schrab

(voice) / Snake Humanoid (voice) / Gromflomite Spokesman

Nick Reczynski

(voice) / General Carl (voice) / Timmy Timtim (voice)

Troy Baker

(voice) / Quick Mystery Host / Last Will and Testimeow: Weekend at Dead Cat Lady's House II Announcer

Gary Anthony Williams

Assimilated Alien 3 (voice) / Snuffles / Centaur

Rob Paulsen

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

Scott Chernoff

Tinkles / Doctor (voice) / Female Disguise

Tara Strong

Bully #2 (voice) / Pussifer (voice) / Death Stalker Leader

John DiMaggio