최승윤

So-young

Ethan Hwang

Dong-hyun

Dohyun Noel Hwang

Child Dong-hyun

Anthony Shim

Simon

Hunter Dillon

Harry

Jerina Son

Mi-sun

Kang In-sung

Won-shik / In-shik

최종률

Grandpa

이용녀

Grandma

Vanessa Przada

Ashley

Tristan Ranger

Jackson

Aiden Finn

Eggers

Kendra Anderson

Miss Jane

Ryan Robbins

Mr. Murray

Eric Keenleyside

Principal Lafferty

Anthony Shim