Dipper Pines
Jason Ritter
Mabel Pines
Kristen Schaal
Grunkle Stan / Soos Ramirez / Old Man McGucket (voice)
Alex Hirsch
Wendy
Linda Cardellini
Agent Powers (voice)
Nick Offerman
Sheriff Blubs (voice) / Additional Voices (voice) / Ghost-Eyes (voice)
Kevin Michael Richardson
smart Waddles
Neil deGrasse Tyson
Darlene
Chelsea Peretti
Preston Northwest
Nathan Fillion
Stanford Pines (voice)
J.K. Simmons
Tyler the Cute Biker
Will Forte
Gregg Turkington
Additional Voices (voice) / Abuelita (voice) / Keyhole
Matt Chapman
Jennifer Coolidge*
Lazy Susan
Jennifer Coolidge
Robbie
T.J. Miller
Candy Chiu (voice) / Additional Voices (voice)
Niki Yang
Deputy Durland (voice) / Additional Voices (voice) / Teen (voice)
Keith Ferguson
Robbie Valentino (voice) / Additional Voices (voice)
T. J. Miller
Additional Voices (voice) / Priscilla Northwest (voice) / Cinnamon (voice)
Kari Wahlgren
Additional Voices (voice) / Lost Woman (voice) / Gorney (voice)
Grey Griffin
Wax; Multi-Bear
Larry King
Multi-Bear
Alfred Molina
Lee (voice) / Thompson (voice) / Mr. Poolcheck (voice)
Michael Rianda
Manly Dan (voice) / Additional Voices (voice) / Cowboy Skeleton (voice)
John DiMaggio
Blendin Blandin (voice) / Additional Voices (voice) / Bobby Renzobbi (voice)
Justin Roiland
Additional Voices (voice) / Ogre (voice) / The Gremloblin (voice)
Fred Tatasciore
Tambry (voice) / .GIFfany (voice) / Mean Girl (voice)
Jessica DiCicco
Bud Gleeful (voice)
Stephen Root
Agent Trigger (voice)
Brad Abrell