Rachel Milligan (segment "Conventional")
Stu Mac 1 (segment 'Conventional')
Others / Young Morty / Stu Mac 2 (segment "Initiation" "The Last Laugh" "Conventional")
Stu Mac 3 (segment 'Conventional')
Original Stu Mac (segment 'Conventional')
Emma (segment 'Conventional')
Emma Fan (segment 'Conventional')
Audience Member / Lisa (segment "Initiation" "The Last Laugh" "Perfect")
Josh (segment "Perfect")
Tommy (segment "Playing Dead")
Dex (segment 'Playing Dead')
Pete (segment 'Playing Dead')
Reggie (segment 'Playing Dead')
Joe (segment 'Playing Dead')
Drunk (segment 'Playing Dead')
Audience Member / Coroner (segment "The Last Laugh" "Playing Dead")
Morty (Segment "The Last Laugh")
Daisy (segment "The Last Laugh")
Agent (segment "The Last Laugh") (voice)
Marie (segment "Kill Them Mommy")
Grace (segment "Kill Them Mommy")
Devon (segment "Kill Them Mommy")
Hunter (segment "Kill Them Mommy")
Others / Alex / Delivery Man / Stu Mac Fan (segment "Initiation" "Kill Them Mommy" "Pinned" "Conventional")
Dolores (segment "Kill Them Mommy")
Malcolm (segment "Prey")
Ricky (segment "Prey")
Seth (segment "Prey")
Jake (segment "Prey")
Man (segment "Whispers")
The Great Corbin (segment "The Great Corbin") (voice)
Lou Fernando (segment "The Great Corben") (voice)
Additional Voices (segment "The Great Corben") (voice)
Cam (segment "Pillow Fright")
Cam's Friend (segment "Pillow Fright") (as Jennifer Seward-DeRock)
Cam's Friend (segment "Pillow Fright")
Campus Police Officer (segment "Pillow Fright")
Campus Police Officer (segment "Pillow Fright") (as Jason Turner)
Custodian (segment "And They Watched")
Executed (segment "And They Watched")
Executed's Daughter (segment "And They Watched")
Custodian's Daughter (segment "And They Watched")
Female Adult (segment "And They Watched")
Evan (segment "Pinned")
Melissa (segment "Pinned")
Stranger (segment "Pinned")
Horde (segment "Pinned") (as Kristi Blanding)
Horde (segment "Pinned")
Audience Member (segment "The Last Laugh")
Extra (segment "And They Watched")
Operator (segment "Pinned")
Stu Mac Fan (segment "Conventional")
Audience Member (segment "The Last Laugh") (as Christopher Michael Jimenez)
Others (segment "Initiation")
911 Operator (segment "Pinned")
(segment "Intro") (voice)
Others (segment "Initiation") (as a different name)
Additional Voices (segment "The Great Corben") (voice) (uncredited)
Photographer (segment "Conventional") (voice) (uncredited)