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 Janet Kidder Thrasher's Mom Jeremy Cox Beauchamps Jason Burkart Lawnmower Neighbor Scott Nicholson Burt Burgerson Katie Stuart Nancy Rizzoli Eve Exner Monkey Man Joyce Robbins Neighbor Lady 1 Tina Pi Supermarket Patron Doralynn Mui Gas Station Mom