Pemeran My Heart Puppy

Cha Tae Hyun (차태현)

as Jin Guk

Pemeran Utama

Yoo Yeon Seok (유연석)

as Min Su

Pemeran Utama

Jung In Sun

as Seong Gyeong [Min Su's girlfriend]

Bintang Tamu

Kim You Jung (김유정)

as A Min

Bintang Tamu

Kang Shin Il

as [Jin Guk's uncle]

Bintang Tamu

Park Jin Joo (박진주)

as [Mother]

Bintang Tamu

Ryu Soo Young

as [Father]

Bintang Tamu

Kim Ji Young

as [Director of the center]

Bintang Tamu

Woo Do Hwan (우도환)

as [Husband]

Bintang Tamu

Jung Ji Hoon

as [Middle schooler]

Bintang Tamu

Lee Soo In

as [Jejudo accomodation owner]

Bintang Tamu

Tae Won Seok

Bintang Tamu

Lee Ho Jung

Bintang Tamu

Koo Ja Wan

Composer

Kim Sun Min

Editor

Park Yeong Shik

Martial Arts Choreographer

Jason Kim

Screenwriter & Sutradara

Lee Seung Hee

as Seung Min

Bit part

Kim Yo Han

as Lee Byeong Hun

Bit part

Lee Jae Woo

as [Restaurant chef]

Bit part