Cast of Champ

8 credited, in billing order.

Cha Tae-hyunas Seung-ho

Su-jeong Kim

Su-jeong Kimas Ye-seung

Yu Oh-seongas Trainer Yoon

Park Ha-seonas Yoon-Hee

Yoon Hee-seokas In-Kwon

An Seo-hyunas Little girl

Baek Yoon-sik

Lee Jeong-wooas Geek

Crew

Lee Hwan-kyungDirector · Writer · Executive ProducerKKim Hwang-sungWriterKKim Yeong-seokWriterIIm Hee-chulExecutive ProducerKKim Min-giProducerLLee Dong-junOriginal Music ComposerCChoi Jae-geunEditor