Justice Smith

Owen

Jack Haven

Maddy

Ian Foreman

Young Owen

Helena Howard

Isabel

Lindsey Jordan

Tara

Danielle Deadwyler

Brenda

Fred Durst

Frank

Conner O'Malley

Dave

Emma Portner

Amanda / Mr. Melancholy / Marco / Evil Clown

Madaline Riley

Polo

Amber Benson

Johnny Link's Mom

Albert Birney

Mr. Sprinkly

Michael C. Maronna

Neighbor 1

Danny Tamberelli

Neighbor 2

Timothy Allan

Lance

Tyler Dean Flores

Cade

Elizabeth Scopel

Drive-Thru Kid

Marlyn Bandiero

Brenda's Friend

Haley Dahl

Sloppy Jane Band Member

Phoebe Bridgers

Phoebe Bridgers

Michael Twaine

Older Theatre Goer #1 (uncredited)

Evangeline Johns

Older Theatre Goer #2 (uncredited)

Elaine Apruzzese

Fun Center Patron / Carnival Patron (uncredited)

Cynthia Clancy

Election Day Volunteer (uncredited)

Ben Heineman

Teenage Kid in Movie Theater (uncredited)