“Undercover” depicts the story of Han Jung Hyun, who has been hiding his identity for a long time, and Choi Yeon Soo, a human rights lawyer who becomes the first head of the Senior Civil Servant Corruption Investigations Unit to fight for justice.
4 landscape wallpapers · click any to open Mac Mode
Explore wallpapers from films starring the Undercover cast
16 featured
Ji Jin-hee
Han Jung Hyun [Present]
Kim Hyun-joo
Choi Yeon Soo [Present]
Yeon Woo-jin
Han Jung Hyun [Young]
Han Seon-hwa
Choi Yeon Soo [Young]
Huh Joon-ho
Im Hyeong Rak
Jeong Man-sik
Do Yeong-geol
Han Go-eun
Go Yoon Joo
Son Jong-hak
Yoo Sang Dong
Song Young-gyu
Kwak Moon Heum
Park Keun-hyong
Lee Man Ho
Kim Soo-jin
Min Sang Ah
Yoo Seon-ho
Han Seung-goo
Lee Jae-in
Han Seung-Mi
Kwon Hae-hyo
Oh Pil-Jae
Ju Seok-tae
Park Won-Jong
Nam Sung-jin
Cha Min-Ho
Director
Last updated: June 9, 2026
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Quick answers about Undercover wallpapers, cast, and downloads.
Moviely has 4 free Undercover cinematic wallpapers available to browse, preview in Mac Mode, and download.
Yes. Every Undercover backdrop on Moviely is free to preview and download for personal desktop or mobile wallpaper use.
Undercover wallpapers include 4K and HD options. Moviely recommends the best size for your screen and offers original-quality downloads when available.
Yes. Open any Undercover wallpaper in Mac Mode to preview it on a desktop or iPhone lock screen before downloading.
Open the Undercover page, pick a backdrop, choose your preferred resolution (HD, Full HD, or Original), and click Download.
Yes. Select Undercover backdrops are available in 4K / original quality for high-resolution displays.
Undercover first aired in 2021. Moviely hosts cinematic wallpapers captured from the TV series's official backdrop imagery.
Undercover is categorized as Crime, Drama, Action & Adventure, Mystery.
Song Hyun-wook directed Undercover.
Undercover stars Ji Jin-hee, Kim Hyun-joo, Yeon Woo-jin, Han Seon-hwa, Huh Joon-ho, and more.
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