SEE ALSO: Yeo Jin Goo to take on his first sitcom through 'A Potato Star That Looks Like A Sweet Potato 2013QR3'

The staff of the sitcom released the photos today, showing a bit of the party that went on. It's been revealed that during their photo shoot for the drama poster, co-star Choi Song Hyun, Kim Jung Min, and more secretly prepared a surprise birthday party including a cake to help the young actor celebrate.

Yeo Jin Goo shared, "I was very touched by my 'Potato Star' family for remembering my birthday even while filming, and it really felt like we became one family. I will work hard to make a good sitcom with a friendly atmosphere. I am really thankful."

'Potato Star 2013QR3' is the work of Kim Byung Wook PD, the mastermind behind the 'High Kick' series, and is set to air this September!