Brit Marling as Maggie

Christopher Denham as Peter Aitken

Nicole Vicius as Lorna Michaelson

Davenia McFadden as Carol Briggs

Kandice Stroh as Joanne

Richard Wharton as Klaus

Christy Meyers as Mel

Constance Wu as Christine

Matthew Carey as Lyle

Jacob Price as PJ

David Haley as O'Shea

James Urbaniak as Mr. Pritchett

Annie O'Donnell as Mrs. Dewitt

Laura Leyva as Principal Garner

Travis Johns as Timothy

Piper Mackenzie Harris as Heidi

Tonita Castro as Lumala

Jack Griffo as Young Peter

Kyle Hacker as Lucas

Avery Kristen Pohl as Abigail Pritchett

Maeve Quinlan as Diane Winston