Pemeran Persevere, Goo Hae Ra

Min Hyo Rin

as Goo Hae Ra

Pemeran Utama

Kwak Shi Yang (곽시양)

as Kang Se Jong

Pemeran Utama

Jin Young

as Kang Se Chan / Ray

Pemeran Utama

Henry Lau

as Henry Chen Tao

Pemeran Pembantu

Park Kwang Seon

as Jang Goon

Pemeran Pembantu

Sung Eun

as Lee Woo Ri

Pemeran Pembantu

Shim Hyung Tak

as Tae Pung

Pemeran Pembantu

Yoon Da Hoon

as Hwang Je Gook

Pemeran Pembantu

Kim Min Ji

as Scarlet / Grace Hwang

Pemeran Pembantu

Kim Min Jae (김민재)

as Sa Gi Joon

Pemeran Pembantu

Ji Seung Hyun (지승현)

as Pyun Seung Min [Chief editor]

Pemeran Pembantu

Jang Young Nam

as Kang Soon [Se Jong and Se Chan's mother]

Pemeran Pembantu

Park Hee Jin

as Heo Myeon Ran [Hae Ra's mother]

Pemeran Pembantu

Park Hyung Sik (박형식)

as Cha Dal Bong (Ep. 1)

Bintang Tamu

Kim Ji Soo

as [Himself] (Ep. 1)

Bintang Tamu

John Park

as [Himself] (Ep. 1-2)

Bintang Tamu

Park Jin Young

as [Superstar K2 judge] (Ep. 1)

Bintang Tamu

Yoon Jong Shin

as [Superstar K2 judge] (Ep. 1-2)

Bintang Tamu

Baek Ji Young

as [Superstar K2 judge] (Ep.1)

Bintang Tamu

Sul Woon Do

as [Superstar K2 judge] (Ep. 1)

Bintang Tamu

Sam Hammington

as [Himself] (Ep.3)

Bintang Tamu

Yoon Sang

as [Himself] (Ep. 4-5)

Bintang Tamu

Jo Sung Mo

as [Himself] (Ep. 7-8)

Bintang Tamu

Cha Sun Woo

as Robin Cha (Ep. 9)

Bintang Tamu

K. Will

as [Himself] (Ep. 12)

Bintang Tamu

Kim Tae Woo

as [Himself] (Ep. 12)

Bintang Tamu

Kim Feel

as [Himself] (Ep. 12)

Bintang Tamu

Kim Yoo Mi

as Judy Kim [Woman on the plane sitting next to Ray] (Ep.12)

Bintang Tamu

Kim Ji Young

as Goo Hae Ra [Young]

Bintang Tamu

UGeon

as Kang Se Jong [Young]

Bintang Tamu

Lee Tae Woo

as Kang Se Chan [Young]

Bintang Tamu

Kim Hyun Wook

as [Entertainment News presenter]

Bintang Tamu

Park Bo Ram

as [Previous Superstar K contestant]

Bintang Tamu

Lee Jae Wook

as PD Lee

Bintang Tamu

Han Seo Yeon

as [Fake floor director]

Bintang Tamu

Lee Su Ryeon

as [Translator]

Bintang Tamu

Ahn Hye Kyung

as [Superstar K2 Super Week host]

Bintang Tamu

Lee Teuk

as [Show Camp MC]

Bintang Tamu

Moon Hee Joon

as [Himself]

Bintang Tamu

Kim Jun Hee

as Young Joo

Bintang Tamu

Hwang Seok Jeong

as Writer Uhm

Bintang Tamu

Oh Sang Jin

as [2015 Show MC]

Bintang Tamu

Lee Ji Ham

Bintang Tamu

Wow

Bintang Tamu

Park Jun Hee

Bintang Tamu

Kim Gwang In

Bintang Tamu

Eddy Kim

Bintang Tamu

Yoon Taek

Bintang Tamu

Lee Sol Gu

Bintang Tamu

Hong Rok Gi

Bintang Tamu

Seo Yoo Ri

Bintang Tamu

Rocky

Bintang Tamu

Moon Bin

Bintang Tamu

Sunmi

Bintang Tamu

Lee Lu Da

Bintang Tamu

Jane Jang

as [Herself] (Ep. 1)

Bintang Tamu

Bae Woo Hee

as [Se Jong's friend at KAIST] (Ep. 1)

Bintang Tamu

Park Seul Ki

as [Se Jong's stalker] (Ep. 11-12)

Bintang Tamu

Ali

as [Tae Pung's fanclub vide-president] (Ep. 12)

Bintang Tamu

Lee Jung Yeol

as Goo Chang Je [Hae Ra's father]

Bintang Tamu

Lee Hee Do

as Jang Gwi Dong [Jang Goon's father]

Bintang Tamu

Kim Yong Bum

Sutradara

An Joon Young

Sutradara

Jung Soo Hyun

Screenwriter

Shin Myung Jin

Screenwriter