John Davis Infantino
Director
Sean Szeles
Director
Calvin Wong
Director
J.G. Quintel
Director
Mike Roth
Director
William Salyers
Rigby
Sam Marin
Benson
Mark Hamill
Skips
Roger Craig Smith
Thomas
Minty Lewis
Eileen
Janie Haddad Tompkins
Margaret
Courtenay Taylor
Starla
Steve Blum
Carter
John Cygan
Main Bear
Fred Tatasciore
Muscle Dad
Linda Cardellini
C.J.
Jeff Bennett
Knight
Ali Hillis
Pam
David Ogden Stiers
Mr. Maellard
David Kaye
Head Baby
Robin Atkin Downes
Gary
Troy Baker
Dr. Langer
Vanessa Marshall
Toothpick Sally
Matthew Mercer
Chance Sureshot
Julian Holloway
Death
D.C. Douglas
Colonel Rawls
Armin Shimerman
Dr. Henry
Richard McGonagle
Floppy
Jennifer Hale
Denise
Kurtwood Smith
Gene
Paul F. Tompkins
Cricket #5
Ben Diskin
Aiden
David Koechner
Principal Dean
Rich Sommer
Del Hanlon
Robert Englund
Anti-Pops
Andres Salaff
Dog
Grey DeLisle
Culette
Travis Willingham
American Official
Eddie Pepitone
Rigby's Dad
Brandon Richardson
Low Five Ghost
Julian Rebolledo
Don
Andrew Kishino
Doug McFarlane
Phil LaMarr
Body Bad Guy 2
Jason Mantzoukas
Sad Sax Guy
Adam Pally
Party Horse
Roger Jackson
Baby #1
S. Scott Bullock
Coffee Bean
Tim Curry
Hot Dog Leader
Michael Dorn
Thomas
Carl Weathers
Basketball King
Tommy 'Tiny' Lister
Bobby
James Hong
Luggage Handler
Brad Culver
Jimmy the Taco Truck Vendor
Rich Fulcher
Answering Machine
Yuri Lowenthal
Adam
Andrew Daly
Darryl
Matt Price
Quips
Wayne Knight
God of Street Performing
Laura Bailey
Natalia
Danny Cooksey
Officer Glenn
Zosia Mamet
Celia
Katey Sagal
Mordecai's Mom
Matthew Yang King
Merle
Steve Agee
Corny
Chelsea Kane
Bathing Suit Party Horse
Jonathan Oldham
Delivery Guy
Feodor Chin
Earl
Kate Higgins
Computer
Mitzi McCall
Librarian
Alan Sklar
Father Time
Tyler the Creator
Big Trouble
Natasha Leggero
Girl in Line
Scott MacDonald
Major Williams
Eamon Pirruccello
Kid #1
Sunil Malhotra
Teacher
MC Lyte
Demel-ishun
Roger Rose
Informercial VO
Terry Crews
Broc Stettman
Greyden Massey
Kid #2
B.J. Ward
Dr. Asinovskovich
Donald Glover
Alpha Dog
April Stewart
Susan
Josh Keaton
Auto T
David Sobolov
Dale
Lee Reherman
Forearmageddon
Kyle Kinane
Doorman
Letoya Luckett
Jennifer
James Sie
Jimmy
Chord Overstreet
Dusty B
Alastair Duncan
Mordecai's Dad
Edward Asner
Santa Claus
Trent Baker
Food
Thomas Haden Church
Quillgin
Toby Jones
Cart
Elle Newlands
Death's Wife
Michael Ann Young
Donut Girl
Richard Doyle
Old Guy 1
Bobcat Goldthwait
Johnny Crasher
Amber Hood
Huggstable #1
Lex Lang
Barry
Dawnn Lewis
Duck Lady
Ed Begley Jr.
William
Chris Cox
Benny Harris
Mark Deklin
Corporal
Rhomeyn Johnson
General
Edie McClurg
Muscle Man's Mom
Christopher McDonald
Carl Putter
Liam O'Brien
Tango
Tim Russ
Helicopter Pilot
Steven Weber
Jumpin' Jim
Debra Wilson
Blonde Girl
James Adomian
Harry
Awkwafina
Apple
Dean Cameron
Suit
Jon Daly
Oren
Rina Hoshino
Singer
Joel McHale
DVD
Elizabeth Pan
Girl
Kevin Michael Richardson
Happy Birthday
Paul Scheer
Cat Masterson
Amy Sedaris
Jayla
George Takei
Daisuke
Jimmy Tang
Announcer
John Wusah
Kobe
Gwendoline Yeo
Girl 2
Dee Bradley Baker
Employee #1
Jemaine Clement
Ziggy
John Gemberling
Steve Mikulski
James Hong
Keith
Steve Little
Spacey McSpaceTree
Kate Micucci
Roxy
Wallace Shawn
The Evil Brain
Neil deGrasse Tyson
Himself