- Lisa Nova - Sarah Palin
- Alex Farnham - Justin Bieber
- Aaron Zaragoza - Jesus Christ
- Verona Blue - Boushh the Bounty Hunter
- Jeana Smith - Queen Gorgo
- Bentley Green - Michael Jackson (young) / The Jackson Five / Tootie Ramsay
- Angela Trimbur - Cleopatra
- Tay Zonday - Sammy Davis, Jr.
- Kyle Mooney - Dr. Watson
- Snoop Dogg - Moses
- Monica Weitzel - Moses' Honey
- Elena Diaz - Moses' Honey
- Kassem Gharaibeh - Self
- Kassem Gharaibeh - Lando Calrissian
- Jose Molina - Indian Protester
- Jesse Wellens - Leonidas
- Jesse Wellens - Leonidas (body actor)
- Bryce Wissel - pirate
- Michelle Glavan - Miley Cyrus
- DeStorm Power - Mr. T
- DeStorm Power - Kanye West
- DeStorm Power - Shaka Zulu
- Link Neal - Leonardo Da Vinci
- Link Neal - Meriwether Lewis
- Link Neal - Orville Wright
- Rhett McLaughlin - Donatello Bardi
- Rhett McLaughlin - Wilbur Wright
- Rhett McLaughlin - William Clark
- Amy Bury - walker
- 'Weird Al' Yankovic - Isaac Newton
- Chali 2na - Neil deGrasse Tyson
- Jack Zullo - American
- Anthony Padilla - Raphael Sanzio da Urbino
- Ian Hecox - Michelangelo Buonarroti
- Chris Alvarado - Tori Belleci
- Brooke Leigh Thorne - Janine Melnitz
- Morgan Christensen - Stormtrooper
- Morgan Christensen - R.M. Renfield
- Morgan Christensen - Self
- Grace Helbig - Juliet Capulet
- Hannah Hart - Bonnie Parker
- Lauren Flans - Ellen DeGeneres
- Joey Greer - Scotsman
- Joey Greer - Warrior / Orc
- Sam Macaroni - Rufus
- Lauren Francesca - Copperfield's Assistant
- Arnold Schwarzenegger - Self
- Jin Au-Yeung - Confucius
- Greg Davis Jr. - Zulu Warriors
- Xin Sarith Wuku - urban ninjas / Bruce Lee's stunt double
- Xin Sarith Wuku - Teenage Mutant Ninja Turtles' stunt double
- Xin Sarith Wuku - Edward Kenway
- Ceciley Jenkins - Gordon Ramsay Production Team Member
- Ceciley Jenkins - Princess Peach
- Ceciley Jenkins - Daenerys Targaryen
- J.B. Smoove - Frederick Douglass
- Samantha Kellie - Go Go Dancer
- Meghan Tonjes - Catherine the Great
- PewDiePie - Mikhail Baryshnikov
- Kimmy Gatewood - Marilyn Monroe
- Kimmy Gatewood - Hillary Clinton
- Natasha Lloyd - Wendy
- Valin Zamarron - Richard Pryor
- Gary Anthony Williams - Bill Cosby
- Jackie Tohn - Joan Rivers
- Cara Francis - Mother Teresa
- Shay Carl - King Henry VIII
- Lilly Singh - Wonder Woman
- T-Pain - Stevie Wonder
- Mike Betette - Bear
- Mike Betette - Blue Team Member
- Mike Betette - Pompey the Great
- George Watsky - The Fourth Doctor
- George Watsky - William Shakespeare
- George Watsky - Edgar Allen Poe
- Atul Singh - Abandoned Kid
- Atul Singh - Indian Protester
- Atul Singh - Self
- Atul Singh - Swordsman
- Atul Singh - Jason Voorhees
- Atul Singh - Ronald McDonald
- Atul Singh - Boba Fett (body actor)
- Atul Singh - Stedman Graham
- Dante Cimadamore - gangster
- Dante Cimadamore - Go Go Dancer
- Dante Cimadamore - Blue Team Member
- Dante Cimadamore - John Bonham / John Paul Jones / Jimmy Page
- Dante Cimadamore - Additional Vocals
- Dante Cimadamore - Dalek (voice)
- Dante Cimadamore - James / Evolving Man
- Dante Cimadamore - Self
- Dante Cimadamore - Spartan
- Dante Cimadamore - Jesus Quintana
- Dante Cimadamore - Criss Angel (body actor)
- Dante Cimadamore - Nikola Tesla (body actor)
- Dante Cimadamore - Thomas Jefferson (body actor) / George Washington (body actor)
- Dante Cimadamore - Indian Protester
- Ray William Johnson - Goku
- Ray William Johnson - Boba Fett (voice)
- Mike O'Hearn - The Hulk (body actor)
- Keegan-Michael Key - Gandhi
- Keegan-Michael Key - Michael Jordan
- Jordan Peele - Martin Luther King, Jr.
- Jordan Peele - Muhammad Ali
- Tim Chantarangsu - Kim Jong-il
- Tim Chantarangsu - Sun Tzu
- Mamrie Hart - Julia Child
- Lloyd Ahlquist - Self
- Lloyd Ahlquist - Randy Savage "Macho Man"
- Lloyd Ahlquist - Adolf Hitler
- Lloyd Ahlquist - Thomas Edison
- Lloyd Ahlquist - Benjamin "Ben" Franklin
- Lloyd Ahlquist - J.P. Morgan
- Lloyd Ahlquist - Babe Ruth
- Lloyd Ahlquist - Skrillex
- Lloyd Ahlquist - Josif Stalin
- Lloyd Ahlquist - Carl Sagan
- Lloyd Ahlquist - Superman
- Lloyd Ahlquist - Clint Eastwood
- Lloyd Ahlquist - Frank Sinatra
- Lloyd Ahlquist - Bill Gates
- Lloyd Ahlquist - Socrates
- Lloyd Ahlquist - Napoleon Bonaparte
- Lloyd Ahlquist - Elvis Presley
- Lloyd Ahlquist - Genghis Khan
- Lloyd Ahlquist - Mitt Romney
- Lloyd Ahlquist - Adam
- Lloyd Ahlquist - Donald Trump
- Lloyd Ahlquist - Mikhail Gorbachev
- Lloyd Ahlquist - Bruce Banner
- Lloyd Ahlquist - Karl Marx
- Lloyd Ahlquist - Mr. McFeely
- Lloyd Ahlquist - Mikey Walsh
- Lloyd Ahlquist - Bill S. Preston
- Lloyd Ahlquist - Russian hacker
- Lloyd Ahlquist - Thing 1 / Thing 2
- Lloyd Ahlquist - Lilly Truscott
- Lloyd Ahlquist - Mutt
- Lloyd Ahlquist - Gordon Ramsay
- Lloyd Ahlquist - Theodore Roosevelt
- Lloyd Ahlquist - Templeton "Faceman" Peck
- Lloyd Ahlquist - Roman soldiers
- Lloyd Ahlquist - John McCain
- Lloyd Ahlquist - Gandalf
- Lloyd Ahlquist - King Kong (voice)
- Lloyd Ahlquist - Thor (voice)
- Lloyd Ahlquist - Bill O'Reilly
- Lloyd Ahlquist - Frederick the Great
- Lloyd Ahlquist - Harry Houdini
- Lloyd Ahlquist - Mario
- Lloyd Ahlquist - Pennywise
- Lloyd Ahlquist - Ash Williams
- Lloyd Ahlquist - Adam Savage
- Lloyd Ahlquist - Phil McGraw
- Lloyd Ahlquist - Leonidas (voice)
- Lloyd Ahlquist - Pablo Picasso
- Lloyd Ahlquist - George R. R. Martin
- Lloyd Ahlquist - Clyde Barrow
- Lloyd Ahlquist - Bobby Orr
- Lloyd Ahlquist - Hannibal Lecter
- Lloyd Ahlquist - Leonardo / Donatello / Michelangelo / Raphael (body actor)
- Lloyd Ahlquist - James Bond (Sean Connery)
- Lloyd Ahlquist - Ragnar Lodbrok
- Lloyd Ahlquist - Michelangelo (voice)
- Lloyd Ahlquist - white preacher
- Lloyd Ahlquist - Robin
- Lloyd Ahlquist - James T. Kirk
- Lloyd Ahlquist - Vlad the Impaler
- Lloyd Ahlquist - Thanos
- Lloyd Ahlquist - Alfred Hitchcock
- Lloyd Ahlquist - William Wallace
- Lloyd Ahlquist - John McClane
- Lloyd Ahlquist - Jeff Bezos
- Lloyd Ahlquist - Walter White
- Lloyd Ahlquist - Stan Lee
- Lloyd Ahlquist - Al Capone
- Lloyd Ahlquist - Chuck Norris
- Lloyd Ahlquist - Stay Puft Marshmallow Man (voice)
- Lloyd Ahlquist - Marlon Brando
- Lloyd Ahlquist - Christmas elves
- Lloyd Ahlquist - Leonidas' six-year-old son
- Lloyd Ahlquist - Robin Williams
- Lloyd Ahlquist - Captain H.M. "Howling Mad" Murdock
- Lloyd Ahlquist - Johann Sebastian Bach
- Lloyd Ahlquist - Wolverine
- Lloyd Ahlquist - The Terminator
- Lloyd Ahlquist - The Burger King
- Lloyd Ahlquist - Steve Irwin
- Lloyd Ahlquist - John "Hannibal" Smith
- Lloyd Ahlquist - Marty McFly
- Iman Crosson - Barack Obama
- Jenna Marbles - Eve
- Croix Provence - Lara Croft
- Mike Diva - Bruce Lee
- Dante Cimadamore
Arnold Schwarzenegger interpreta a himself en la serie.
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