The Monkey

Theo James

Hal / Bill

Tatiana Maslany

Lois Shelburn

Christian Convery

Young Hal / Young Bill

Colin O'Brien

Petey

Adam Scott

Capt. Petey Shelburn

Elijah Wood

Ted Hammerman

Rohan Campbell

Thrasher / Ricky

Sarah Levy

Aunt Ida

Osgood Perkins

Uncle Chip

Nicco Del Rio

Rookie Priest

Zia Newton

Dwayne

Kingston Chan

Pepper

Laura Mennell

Petey's Mom

Corin Clark

Diving Woman

Tess Degenstein

Barbara

Beatrix Perkins

Florence

Danica Dreyer

Annie

Dianne Greenwood

Ticketed Cop

Shafin Karim

Pawn Shop Owner

Lumen Beltran

Police Officer

Janet Kidder

Thrasher's Mom

Paul Puzzella

Thrasher's Dead

Jeremy Cox

Beauchamps

Jason Burkart

Lawnmower Neighbor