Eccentric! Chef Moon bercerita tentang seorang bernama Moon Seung Mo (Eric). Ia adalah seorang chef yang populer dan sangat ahli dalam membuat masakan Korea dengan menggunakan bahan bahan organik daripada menggunakan MSG.
Suatu hari, orang tuanya meninggal karena kebakaran dan dia memutuskan untuk pindah ke sebuah desa yang kuno bernama Seoha.
Sementara itu ada seorang perempuan bernama Yoo Yoo Jin / Yoobyulla (Go Won Hee), dia berprofesi sebagai perancang busana terkenal.
Suatu hari, ia mengalami kecelakaan sehingga menyebabkan hilang ingatan dan pindah ke desa Seoha. Karena ia hidup glamour dan ceroboh ia di juluki “Yoobyeolna” (“What an eccentric”).
# Main Cast
Eric as Moon Seung Mo
Go Won Hee as Yoo Yoo Jin / Yoo Byeolna / Bella Yoo
# People around Seung Mo
Ko Do Yun (고도연) as Kim Sul Ah
Choi Kwang Je as Bang Da Hoon (Seung Mo's friend)
Jung Kyu Soo as Moon Byung Hak (Seung Mo's father) (ep 1-3, 9) cameo
Kwon Ki Sun as Jung Hye Sook (Seung Mo's mother) (ep 1-3, 9) cameo
Joo Jong Hyuk as Choi Gun Woo (Seung Mo's business partner)
# People around Yoo Jin
Gil Hae Yun as Jang Sun Young (Yoo Jin's mentor)
Kim Jung Hwa as Yoo Hyo Myung (Yoo Jin's mother) (ep 1-2, 4, 10, 14, 16) cameo
Kim Ik Tae as Yoo Byung Soo (Hyo Myung's father) cameo
# People of Seoha Village
Cha Chung Hwa as Pi Gon Suk (Jang Dan's wife)
Lee Dong Yong (이동용) as Hwang Jang Dan (Gon Suk's husband)
Lee Seo Hwan (이서환) as Dr. Cho Chul Nam
Song Young Jae as Bong Du
Jun Gook Hyang (전국향) as Yoon Ja
Lee Mi Yoon as Byung Chun (Hyo Sook's mother)
Song Ji Woo (송지우) as Gong Hyo Suk (Byung Chun's daughter)
Yeo Woo Rin (여우린) as Cho Soon Mi (Dr. Cho's daughter, Nonyang Police Officer)
Baek Seung Chul (백승철) as Park Sung Yong (Nonyang Police Chief)
# JS Security
Lee Jae Goo (이재구) as Jin Tae Soo
Kim Young Bin (김영빈) as Oh Jung Tae
Lee Ji On (이지운) as Hong Joo Hyuk
People of Donghan Group
Ahn Nae Sang as Im Chul Yong (Donghan International CEO)
Cha Jung Won (차정원) as Im Hyun Ah (Chul Yong's daughter)
Jang Jae Ho as Kang Joon Soo (Mi Young's son, Donghan Food CEO)
Lee Seung Yun as Han Mi Young (Joon Soo's mother, Chul Yong's wife)
Lee Seung Chul as Han Dong Gil (Mi Young's father, Donghan Group Chairman)
Kim Joon Won (김준원) as Jung Gwang Soo (Donghan Food Director)
Park Jung Chul as Kang Min Suk (Joon Soo's father, Donghan International Former CEO) (ep 1-2, 4, 11-12) cameo
# Others
Henny Savenije as Chairman Louis Belmont
Jo Duk Hoe (조덕회) as Min Soo (Photographer)
Kwak Soo Jung (곽수정) as Lady #1
Yoo Hyun Soo (ep 6) cameo
Jung Ho Young (정호영) (ep 6) cameo
Jang Kwang as Byung Hak's friend (ep 8) cameo
Kim Mi Kyung (김미경) (ep 8) cameo
Jo Mi Nyeo (ep 8) cameo
