
Cheon Seong-im (Hangul: 천성임; born August 15, 1981), better known by her stage name Song Ji-hyo (송지효), is a South Korean actress and model. She made her acting debut in Wishing Stairs (2003), one of Whispering Corridors film series. She then received further recognition for her roles in Princess Hours (2006), Jumong (2007), A Frozen Flower (2008), New World (2013), Emergency Couple (2014), and My Wife's Having an Affair this Week (2016). Song is also known for being one of the members of the South Korean variety show Running Man.

Running Man
TV • 2010

Men on a Mission
TV • 2015

Amazing Saturday
TV • 2018

Keep Running
TV • 2014

My Little Old Boy
TV • 2016

Just an Excuse
TV • 2022

Ya Shim Man Man
TV • 2003

Busted!
TV • 2018

Family Outing
TV • 2008

Jumong
TV • 2006

Drama Stage
TV • 2017

Go Fridge
TV • 2015

Confidence Queen
TV • 2025

Shooting Stars
TV • 2022

The Girl Who Sees Smells
TV • 2015

Entourage
TV • 2016

Princess Hours
TV • 2006

Lovely Horribly
TV • 2018