최승윤
— So-Young
Ethan Hwang
— Dong-Hyun
Dohyun Noel Hwang
— Child Dong-Hyun
Anthony Shim
— Simon
Hunter Dillon
— Harry
Jerina Son
— Mi-Sun
강인성
— Won-Shik / In-Shik
최종률
— Grandpa
이용녀
— Grandma
Kendra Anderson
— Miss Jane
Elizabeth Wainwright Molinares
— Child Ashley
Sawyer Proulx
— Stewart
Sawyer Fraser
— Jimmy
Sara Halliburton
— Nicole
Pavlina Kaye Hladik
— Sarah
Leslie Parmar
— Sundeep
Gabriela Reynoso
— Rosa
Bryce Hodgson
— Larry
Roman Podhora
— Manning
Juan Riedinger
— Doyle
Sean Poague
— Mr. Davis
Eric Keenleyside
— Principal Lafferty
Naomi Simpson
— Mrs. Galloway
Nancy Kerr
— Mrs. Robertson
Vanessa Przada
— Ashley
Ryann Sheridan
— Steph
Lucy Layton
— Lindsay
Aiden Finn
— Eggers
Tristan Ranger
— Jackson
Ryan Robbins
— Mr. Murray