Spencer Grammer
Summer Smith (voice)
Chris Parnell
Jerry Smith (voice)
Sarah Chalke
Beth Smith (voice)
Justin Roiland
Rick Sanchez / Morty Smith (voice)
Kari Wahlgren
(voice)
Dan Harmon
Additional Voices (voice)
Tom Kenny
Additional Voices (voice)
Maurice LaMarche
Additional Voices (voice)
Ryan Ridley
Paul Fleishman (voice)
Nolan North
Additional Voices (voice)
Brandon Johnson
Mr. Goldenfold (voice)
Ian Cardoni
Rick Sanchez (voice)
Harry Belden
Morty Smith (voice)
Rob Schrab
(voice)
Cassie Steele
Tammy Gueterman (voice)
Echo Kellum
(voice)
Keith David
President/Governor Andre Curtis (voice)
Phil Hendrie
Principal Gene Vagina (voice)
Eric Bauza
(voice)
Gary Anthony Williams
(voice)
Troy Baker
(voice)
Lauren Tom
Kendra (voice)
Nick Rutherford
Rob Paulsen
Assimilated Alien 3 (voice)
Scott Chernoff
Gear Head (voice)
Tara Strong
Tinkles / Doctor (voice)
John DiMaggio
Bully #2 (voice)
Debra Wilson
(voice)
Maria Bamford
(voice)
Susan Sarandon
Dr. Helen Wong (voice)
Kotomi
Additional Voices (voice)
Heather Anne Campbell
(voice)
Jess Harnell
Greebybobe (voice)
Dan Benson
Ethan (voice)
Tress MacNeille
Caretaker / Roy's Mother (voice)
William Holmes
Additional Voices (voice)
Alan Tudyk
Observant Glorzo / Servant Glorzo (voice)
Chris Romano
Weird-faced Teen (voice)
Aislinn Paul
Nancy (voice)
Phil LaMarr
Additional Voices (voice)
