John Leguizamo as Michael Beltran

Katherine Waterston as Shirley Lyner

Cynthia Nixon as Gail Beltran

Andy Comeau as Jerry Tuchman

Denis O'Hare as Stan Lyner

Lauren Birkell as Melissa Rowan

Louisa Krause as Brenda Woodberg

Halley Wegryn Gross as Nadine Woodberg

Ann Dowd as Tammy Lyner

Spencer Treat Clark as Scott Miral

Jason Dubin as George

Ethan Phillips as Mark Wessler

Paul Borghese as Cook

Chira Cassel as Health Teacher

Anthony Cirillo as Adam Beltran

Alexandra Daddario as Barbara Yates

Harold Fort as Doug

Alexie Gilmore as Jill

Michael Knowles as Guidance Counselor

Adam LeFevre as Mr. Brown

Jake Melman as Older Wessler Kid

Sydney Melman as Younger Wessler

Sergio Mendoza Sr. as Feet in Cabin

Jansen Panettiere as Mikey Beltran

Jay Patterson as Ira

Ali Phillips as Freshman

Andi Potamkin as Stacy Silverstein

Bridget Regan as Tina Tuchman

Jessica Sandler as Jerry's Daughter

Kim Shaw as Ali Towne

Nancy St. Alban as George's Wife Fran

Paul Woodburn as Cop

Michael Yavnielli as Phil

Brigitte Hagerman as Student (uncredited)

Lara Theodos as Student (uncredited)