Jonah Heston

Jonah Ray

Ardy / Larry / Santa Claus

Joel Hodgson

Kinga Forrester

Felicia Day

Max/TV's Son of TV's Frank

Patton Oswalt

Brain Guy / Observer

Bill Corbett

Crow T. Robot

Hampton Yount

Bobo / Professor Bobo

Kevin Murphy

Tom Servo (voice)

Baron Vaughn

Jonah Heston

Jonah Ray Rodrigues

Pearl Forrester

Mary Jo Pehl

Synthia/Gypsy

Rebecca Hanson

M. Waverly

Grant Baciocco

Growler (voice) / Wedding Guest (Observer)

Russ Walko

Bonehead #1

Tim Ryder

Dr. Donna St. Phibes

Deanna Rooney

Gizmonic Institute Emergency Announcer

Justin Roiland

Bonesy

Ivan Askwith

Bonehead #2

Zach Thompson

Dr. Laurence Erhardt

J. Elvis Weinstein

Skeleton Crew Bandleader

Har Mar Superstar

Mr. Whipple / Varno

Elliott Kalan

Bonehead Cameraman / Matt Claude Van Damme

Matt McGinnis