- Lee Newton - Country
- Lee Newton - Officer #2
- Felicia Day - Gorgol
- Rebecca Black - Rebecca Black
- Matt Walsh - Mr. Indie
- Andre Meadows - Raver #3
- Jordan Morris - Lightshow
- Bryson Keyser - Lenny
- Meghan Parks - Lenny's Mom
- Kerri-Anne Lavin - Xtina
- Kara Luiz - Emo
- Luis Cortez - Dude #2
- Alex Staggs - Showtune
- Mitchell Davis - Punk
- Robert Zelenka - Homeless Guy
- Troy Glass - Kid #4
- Eddie Kunz - Guy Pulling Intern 2's Chair
- Benny Fine - Hipster Dubstep
- Benny Fine - Anonymous 1
- Mike Mitchell - 22 Cent Guy
- Paris Smith - Kid #3
- Christy Carlson Romano - The Devil
- Shane Dawson - Chip
- Zaire Adams - Baby Face
- Jonathan Green - Bigfoot
- Jonathan Green - Raver #7
- Jourdan Steel - ROTFL Twin 2
- Vanessa Lengies - Loco Uno
- Shay Carl - Hipster Metal
- Justine Ezarik - Hipster Idol
- Hannah Hart - Hipster Techno
- Rock Mackenzie - Mr. Crowley
- Freddie Wong - DJ Elephant
- Alison Haislip - Present Nerd
- Harley Morenstein - Jesus
- Toby Turner - Satan
- Joe Nuñez - Past Nerd
- Olga Kay - Raver #2
- Alexa Niemi - Atteactive Woman
- Janet Varney - Nancy Spackman
- Joe Bereta - Professor
- Eben Kostbar - Dude On Street
- Rafi Fine - Rat Protector
- Rafi Fine - Weird Carl
- Gabriel Morales - IM5 Member
- Cole Pendery - IM5 Member
- Jimmy Wong - Leader
- Eric Beckerman - Teenage Gut Baby
- Sydney Scotia - Teenage Tina
- Akima - Shaman
- Jason Medwin - Crap Smear
- Penny L. Moore - Intern 2's Mom
- Colleen Ballinger - Receptionist
- Luke Barats - Old Metal
- Sara Fletcher - Viking
- Drew Droege - Talese
- Michael J. Gallagher - Officer #1
- Steve Greene - News Newsman
- Joey Graceffa - Vampire Temp
- Steve Szlaga - Reggie
- Paul Butcher - Jeff Pookie
- Lia Marie Johnson - Rayna
- Lisa Schwartz - Tina
- Andy Pessoa - Teenage Metal
- Georgia T. Willow - Young Tina
- Eben Kostbar
- Jonathan Green
- Benny Fine
- Rafi Fine
- William Storkson
Adam Busch interpreta a Indie en la serie.
Grace Helbig interpreta a Idol en la serie.
Jarrett Sleeper hace el papel de Metal.
Lainey Lipson hace el papel de Scene.
John Patrick "Jack" Douglass interpreta a Intern 2 / Flowchart en la serie.
Lee Newton interpreta a Country en la serie.
Tania Gunadi interpreta a Techno en la serie.
Chris Clowers interpreta a Dubstep en la serie.
Mychal Thompson hace el papel de Hip Hop / Nerdcore.
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