Credits include: 21 Jump Street, Rick and Morty, Walk Hard: The Dewey Cox Story, Hotel Transylvania and Hot Rod

Stephen Root (born November 17, 1951) is an American actor. He is best known for his comedic work on the TV sitcom NewsRadio, in the film Office Space and as the voices of Bill Dauterive and Buck Strickland in the animated series King of the Hill. He has also won acclaim for his occasional dramatic roles...(wikipedia)

Credits include: Rick and Morty, Scrubs, Chaos Theory, The Wrong Missy and Ernest Goes to School

Dan Harmon is an American writer and performer.He is best known for creating and producing NBC comedy series Community, co-creating Adult Swim animated television series Rick and Morty, and co-founding the alternative television network/website Channel 101. Harmon published You'll Be Perfect When You're Dead in 2013 and is currently working on a second book set for publication in 2016. He also hosts a weekly eponymous podcast, Harmontown.

Credits include: Space Jam: A New Legacy, Justice League: Gods and Monsters, Batman and Harley Quinn, Batman vs. Teenage Mutant Ninja Turtles and The Day the Earth Blew Up: A Looney Tunes Movie

Spencer Karen Grammer is an American actress best known for her roles as Summer Smith on the Adult Swim animated sci-fi series Rick and Morty and as Casey Cartwright on the ABC Family college romantic dramedy GRΣΣK.

Credits include: Arrow, Are You There God? It's Me, Margaret., Grand Crew, Freedom Fighters - The Ray and Schism

Credits include: Superman: Red Son, Lookism, Dragon's Dogma, Cannon Busters and Ricktional Mortpoon's Rickmas Mortcation

Credits include: How Poopy Got His Poop Back, Summer of All Fears, Valkyrick, The Rick, The Mort & The Ugly and The Last Temptation of Jerry

Credits include: How Poopy Got His Poop Back, Summer of All Fears, Valkyrick, The Rick, The Mort & The Ugly and The Last Temptation of Jerry

Credits include: Valkyrick