Pemeran Madame Antoine

Sung Jun (성준)

as Choi Soo Hyun

Pemeran Utama

Han Ye Seul

as Go Hye Rim

Pemeran Utama

Jung Jin Woon

as Choi Seung Chan

Pemeran Utama

Lee Joo Hyung

as Won Ji Ho

Pemeran Utama

Hwang Seung Eon

as Go Yoo Rim

Pemeran Pembantu

Jang Mi Hee

as Bae Mi Ran

Pemeran Pembantu

Byun Hee Bong

as President Kim Moon Geon

Pemeran Pembantu

Choi Seung Hoon

as Choi Soo Hyun [Young]

Pemeran Pembantu

Kim Sung Hoon

as Assistant Lee

Pemeran Pembantu

Lee Sun Bin (이선빈)

as Lee Ma Ri

Pemeran Pembantu

Moon Ji In

as Lee Kyung Joo [Experiment subject](Ep.1 & 5)

Bintang Tamu

Bae Yoo Ram

as Lee Jin Soo (Ep. 1)

Bintang Tamu

Choi Tae Hwan

as Sung Ho (Ep.5-6)

Bintang Tamu

Shim Hyung Tak

as [Male Subject A candidate](Ep.6)

Bintang Tamu

Lee Seung Jun

as Jo Won Gook (Ep.6)

Bintang Tamu

Jo Eun Ji

as Yoo Sun / Emma (Ep.7-8)

Bintang Tamu

San Chung

as TX (Ep.2)

Bintang Tamu

Kim Dong Yoon

as Magician Lee Sang Wook (Ep. 7)

Bintang Tamu

Tae In Ho

as Kang Tae Hwa (Ep. 11-12)

Bintang Tamu

Kim Jae Kyung (김재경)

as Lee Yoo Ni (Ep. 3-4)

Bintang Tamu

Lee Yoon Soo

Bintang Tamu

Lee Na Yeon

as (Ep.8)

Bintang Tamu

Jo Yi Hyun

Bintang Tamu

Yoo Sang Jae

as [Love therapist]

Bintang Tamu

Go Seo Hee

Bintang Tamu

In Sung Ho

Bintang Tamu

Oh Jin Seok

as [Cafe staff]

Bintang Tamu

Jang Tae Min

Bintang Tamu

Jang Ho Jun

Bintang Tamu

Choi Gyo Shik

Bintang Tamu

Lee Jin Kwon

Bintang Tamu

Ham Jin Sung

as [Assistant director]

Bintang Tamu

Park Jin U

as Choi Seung Chan [Child]

Bintang Tamu

Go Joo Won

as [Hye Rim's ex-husband]

Bintang Tamu

Choi Byung Mo

as [Yoo Rim's husband in Ji Ho's dream](Ep.12)

Bintang Tamu

Lee Kan Hee

as Seo Yeon Hui [Su Hyeon's mother]

Bintang Tamu

Shin Hyun Been (신현빈)

as Claire [Soo Hyun's ex-girlfriend]

Bintang Tamu

Ha Soo Ho

as [Ma Ri's coach]

Bintang Tamu

Shim Hyun Jung

Composer

Kim Yoon Cheol

Sutradara

Hong Jin Ah

Screenwriter

Park Seung Joon

as [patient kid in picture]

Bit part