Dramas

Attack on the Pin Up Boys

Members: Girls Generation Yuri (cameo appearance as ballerina)

Super Junior ALL Members except Kyuhyun because of car accident in 2007

Suho of Exo (Part of flower boy band)

Henry Lau of Super Junior M (background dancer during "Wonder Boy")

Key of SHINee (background dancer during "Wonder Boy")

Unstoppable Marriage

Members: Girls Generation Yuri and Sooyoung 

FT Island Jaejin

You are my Destiny

Members: Girls Generation Yoona

Park Jae Jung

Cinderella Man

Members: Girls Generation Yoona

Song Chang Eiu

Wild Romance

Members: Girls Generation Jessica (Supporting Role cameo appearance)

Lee Dong Wook

Lee Si Young

Salamander and the Guru

Members: Girls Generation Taeyeon (cameo apperance)

SHINee Minho

The 3rd Hospital

Members: Girls Generation Sooyoung

Kim Seung Woo

Oh Ji Ho

Dating Agency Cyrano

Members: Girls Generation Sooyoung

SHINee Taemin (cameo appearance)

Lee Jong Hyuk

Lee Chun Hee

Hong Jong Hyun

Jo Yoon Woo

Love Rain

Members: Girls Generation Yoona

Jang Geun Suk

Fashion King

Members: Girls Generation Yuri

Shin Se Kyung

Yoo Ah In

Lee Je Hoon

No Breathing

Members: Girls Generation Yuri

Lee Jong Suk 

Seo In Guk

Passionate Love

Members: Girls Generation Seohyun (First 4 episodes cameo appearance)

Lee Won Geun

Prime Minister and I are Dating

Members: Girls Generation Yoona

Yoon Si Yoon

Fashion King Korea

Members: Girls Generation Tiffany