Lee Seung-jun
Known for: Acting
Lee Seung-jun, known mononymously as Seungjun and formerly known as J-Us, is a South Korean singer and lyricist under KI Entertainment. He is a member of the boy group ONF and its OFF team sub-unit.
Filmography
Series
Idol Radio
Special DJ
2018
Series
Weekly Idol
Self
2011
Series
Star Road
Self
2018
Series
Road to Kingdom
Self - Contestant
2020
Series
The Silence Of IDOL
2020
Series
Can I Step In?
Kwon Sang Hae
2020
![ONF [FOCUS ON AND OFF]](https://image.tmdb.org/t/p/w185/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
Series
ONF [FOCUS ON AND OFF]
SEUNGJUN
2024
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]](https://image.tmdb.org/t/p/w185/vQmZPhEa8KrUCwrqRqMpl9pube9.jpg)
Film
2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]
SEUNGJUN
2026
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1](https://image.tmdb.org/t/p/w185/zyN3yVwFR1NoZGgxd77aZ4etce7.jpg)
Film
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1
SEUNGJUN
2024
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1](https://image.tmdb.org/t/p/w185/6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
Film
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1
SEUNGJUN
2024
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](https://image.tmdb.org/t/p/w185/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
Film
ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]
SEUNGJUN
2021
Film
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2
SEUNGJUN
2024
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2](https://image.tmdb.org/t/p/w185/whume1STRxwi0EVBYU8ZMk669nG.jpg)
Film
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2
SEUNGJUN
2024
Series
Dive Into ONF
Self
2021
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](https://image.tmdb.org/t/p/w185/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)
Film
2025 ONF CONCERT [THE MAP:STRANGER’S PATH]
SEUNGJUN
2025