Cheon Ho-jin
Cheon Ho-jin (천호진) is a South Korean actor with J-Wide Company, best known as Grandpa Viva in Twinkling Watermelon and as a father in Once Again.

Beyond the screen.
Cheon Ho-jin is a South Korean actor loved as one of the great drama fathers of Korean television. He won the Grand Prize at the 2020 KBS Drama Awards for Once Again. Younger fans know him as Grandpa Viva in Twinkling Watermelon (2023).
Cheon Ho-jin is 173 cm (5 ft 8 in) tall and weighs 66 kg, according to his published profile. His blood type is A.
Early life
He was born on September 5, 1960, in Busan, South Korea. He first studied chemistry at Inha University before following his love of acting. His father was a famous professional wrestler in Korea.
Career and breakthrough
He began acting in the 1980s, often playing strong officials and fathers. He played President Choi Eung-chan in City Hunter (2011). In Six Flying Dragons (2015), he plays Lee Seong-gye, the general who founded the Joseon kingdom.
Popular roles
In Chicago Typewriter (2017), he plays Baek Do-ha. In My Liberation Notes (2022), he plays Yeom Je-ho, a quiet father carrying his family's burdens. Each father he plays feels different, and each one feels true.
Recent work
His Grandpa Viva in Twinkling Watermelon brought him love from a new generation. Cheon Ho-jin continues to take meaningful roles in his sixties, and fans love his gentle humour and honest tears.
A career, chapter by chapter.
Selected drama roles
- Six Flying Dragons — Lee Seong-gye
- Twinkling Watermelon — Grandpa Viva
- Chicago Typewriter — Baek Do-ha
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Selected credits in the Oxfea collection.
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