Evan Peters as Warren Lipka

Barry Keoghan as Spencer Reinhard

Blake Jenner as Chas Allen

Jared Abrahamson as Eric Borsuk

Warren Lipka as The Real Warren Lipka

Spencer Reinhard as The Real Spencer Reinhard

Chas Allen as The Real Chas Allen

Eric Borsuk as The Real Eric Borsuk

Ann Dowd as Betty Jean 'BJ' Gooch

Gary Basaraba as Warren Lipka Senior

Lara Grice as Mrs. Lipka

Jane McNeill as Mrs. Reinhard

Whitney Goin as Mrs. Allen

Udo Kier as Mr. Van Der Hoek

Wayne Duvall as Bill Welton

Fedor Steer as Dutchman in Café

Jack Landry as Economics Lecturer

Gretchen Koerner as Exam Professor #2

William Cowboy Reed as FBI Dorm

Drew Starkey as Frat Boy

Karen Wheeling Reynolds as Female Art Professor

Kevin L. Johnson as Scruffy Counterfeiter

Abigail Dolan as Special Collections Student

Dorothy Reynolds as Spencer's Sister

Al Mitchell as Supermarket Security

Marlo Scheitler as Airport Traveler (uncredited)

Pamela Bell Mitchell as Art Class Girl (uncredited)

Tiffany Alice as Art Class Girl (uncredited)

Josh Royston as Bartender (uncredited)

Steven 'Trainset' Curtis as Blues Bar Patron (uncredited)

Grayson Nickel as Brother of Graduate (uncredited)

Lauran Foster as Club Goer (uncredited)

Jesse Truesdell as FBI Agent (uncredited)

Alec Heroux as Frat Boy (uncredited)

Morgan Prewitt as Girl in Hallway (uncredited)

Brian Cole as Man Dancing in Bar (uncredited)

Stacy Rabon as Mean Betty Jean (uncredited)

Jason Caceres as Pledge (uncredited)

Stephen Royal Phillips as Police Officer (uncredited)

Ben McIntire as Reinhard's Sibling (uncredited)

Josh Jordan as Smoking Kid (uncredited)

Cody Taylor as Student (uncredited)

Debby Handolescu as Student (uncredited)

Liam Marcy as Student (uncredited)

James R. Wiley as Student in Dorm Hall (uncredited)

Elijah Everett as Transy Security (uncredited)

JD Demers as Used Car Salesman (uncredited)

Hannah Hoyt as Valedictorian (uncredited)

Kelly Borgnis as Woman at the Bar (uncredited)

Sophia Alongi as Younger Sister (uncredited)

Kareem J. Alston as

Anthony J. Police as Man with Gun

Eddie King as Male Art Professor

James Rackley as Active