Kpop Idols in Dramas and Movies

Web dramas are a trend lately and they always have mainly idols cast.

Web dramas:
EXO Next Door                        - with EXO
Secret Love                             - with Kara
Dream Knight                           - with GOT7
Love Cells                               - with 4Minute Ji Hyun, Kim Woo Bin
Vampire Flower                        - with A-JAX
SETI                                       - with SS501 Kim Kyu Jong
After School Luck or Not           - with 5urprise
Aftermath & Aftermath 2           - with ZE:A Kim Dong Jun
Summer Love                          - with Girls Generation Yoona, Lee Min Ho

Korean dramas:
Dream High                                 - with Miss A Suzy, 2PM Taecyeon and Wooyoung, T-ara Eunjung, IU
Dream High 2                              - with GOT7 JB and Jr, 2AM Jinwoon, T-ara Jiyeon, SISTAR Hyorin, Ailee
A Gentleman's Dignity                  - with CN Blue Jonghyun
Angry Mom                                 - with B1A4 Baro
Boarding House #24                    -  with Tiny-G Dohee, Ze:A Kim Dong Jun, VIXX Ken, BIFLO High Top, Rainbow Cho Hyun
Orange Marmalade                      - with CN Blue Jonghyun, AOA Seolhyun
God of Study                              - with T-ara Jiyeon
God's Gift - 14 Days                    - with B1A4 Baro
Misaeng                                      - with ZE:A Siwon
It's Okay, That's Love                  - with EXO D.O
Marriage, Not Dating                    - with 2AM Jinwoon
Reply 1994                                  - with B1A4 Baro, Tiny-G Dohee
The Heirs                                    - with CN Blue Minhyuk, f(x) Krystal
Monstar                                      - with BEAST Junhyung
To The Beautiful You                   - with f(x) Sulli, SHINee Minho
You're Beautiful                           - with Jang Geun Suk, CN Blue Yonghwa, FT ISLAND Hongki, After School UEE
Three Days                                 - with JYJ Yoochun
Boys Over Flowers                      - with SS501 Kim Hyun Joong
Birdie Buddy                               - with After School UEE
Dating Agency: Cyrano Agency    - with Girls Generation Sooyoung

Enjoy!

Here is a links to see more about them:
https://akpopworld.wordpress.com/2015/03/05/hot-tr...
https://akpopworld.wordpress.com/2015/02/19/korean-music-dramas/
https://akpopworld.wordpress.com/2015/03/09/korean...

I've seen/know a lot of dramas with kpop idols, so here are some more as well.

Dramas: 

Prime Minister and I - Yoona frm SNSD also Suho frm EXO
Reply 1997 - Eunji frm Apink, Seo In Guk, Hoya frm Infinite, and Eun Ji Won frm Sechs Kies
Cheer Up! - Eunji frm Apink and N frm VIXX
Reply 1988 - Hyeri frm Girl's Day
Seonam Girl's High School Invesitgators - Hyeri frm Girl's Day
Angry Mom - Baro frm B1A4 and Lizzy frm After School/Orange Caramel
My Lovely Girl - Krystal frm f(x), Rain, and L frm Infinite
Modern Farmer - Lee Hong Ki frm FT Island and Mina frm AOA
The Bride of the Century - Lee Hong Ki frm FT Island
My Girlfriend is a Gumiho - Lee Seung Gi, Hyomin of T-ara, and No Min Woo
High School Love On - Woohyun and Seungyeol frm Infinite
Sensory Couple - Yoochun frm JYJ
Gu Family Book - Suzy frm Miss A and Lee Seung GI
Fool's Love - UEE frm After School and Seulong frm 2AM
IRIS - TOP frm Big Bang, Doojoon frm Beast and Lee Joon
The Secret Message - TOP frm Big Bang and Shin frm Cross Gene
Big - Suzy frm Miss A and Shin frm Cross Gene
Bel Ami - IU and Jang Geun Suk
Protect The Boss - Jaejoong frm JYJ
Rosy Lovers - Lee Jang Woo and Sunhwa frm Secret
Heartstrings - Younghwa frm CN Blue
She Was Pretty - Siwon frm Super Junior
Flower Grandpa Investigation Unit - Heechul frm Super Junior and Mina of AOA
Heart To Heart - Sohee frm Wonder Girls
Who Are You: School 2015 -  Sungjae frm BTOB
I Remember You - D.O. frm EXO and Seo In Guk
She Is 200 Years Old - Jihyun frm 4Minute
Shut Up Flower Boy Band - Lim Kim and L frm Infinite
The Lover - Takuya frm Cross Gene
The Producers - IU
We Broke Up - Dara frm 2NE1 and Seungyoon frm Winner
Perseverance, Goo Hae Ra - Jinyoung frm B1A4, Yoo Sung Eun, Henry frm Super junior
Gap Dong - Lee Joon


Movies:

Codename Jackal - Jaejoong frm JYJ
Tazza 2 - TOP frm Big Bang
Architecture 101 - Suzy frm Miss A
I'm A Cyborg, But Thats Ok - Rain
Miss Granny -  Jinyoung frm B1A4
Nineteen - TOP and Seungri frm Big Bang
Hellcats - Sohee frm Wonder Girls
The Pirates - Sulli frm F(x)
Fashion King - Sulli frm F(x) and Nana frm After School/Orange Caramel
Cart - D.O. frm EXO
Twenty - Junho frm 2PM
Acoustic - Jonghyun and Minhyuk frm CN Blue and Seulong fro 2pm
Attack on the Pin Up Boys - like all of Super Junior is in this
Rough Play - Lee Joon


these are all I can think of at the moment, sorry

Hoya from INFINITE is in Mask.

The first person did a very good list, so I'll just add in the missed ones:

She is 200 years old   - with 4minute Jihyun
I order you      - with TVXQ Yunho
To be continued     - with new upcoming group Astro
20 Years old     - with Beast (though Gikwang is the main)

Dramas:
Rooftop Prince     - with TVXQ/JYJ Yoochun 
The girl who sees scents    - with TVXQ/JYJ Yoochun
Panda and Hedgehog      - with Super Junior Donghae
Playful Kiss    - with SS501 Kim Hyun Joong
Scholar that walks the night    - with TVXQ Changmin 
Cunning Single Lady    - with Infinite L


These are the ones I can remember other than all of the dramas covered above.