Idol group INFINITE's leader Sunggyu supported fellow member Woohyun.

Sunggyu made a cameo appearance on the MBC sitcom "The Thousandth Man."

In "The Thousandth Man," Sunggyu came out as a boy from a family with financial difficulties, who works part-time while giving his best in academics as well. Sunggyu starts counseling his friend Woohyun, and also analyzes the gazes of Mi Jin (Kang Ye Won).

Sunggyu said, "I was really happy to be acting with Woohyun. Seeing Woohyun acting was very new and impressive. It made me want to try drama acting as well."

The episode of "The Thousandth Man" with Sunggyu aired on Friday.