Cast & CrewReleased
Lee Seungjoon
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Actor
From
Seoul, South Korea
Born
1995-01-13
Overview
Lee Seung Jun, better known by his stage name J-US, is the leader, vocalist and dancer of the boy group ONF.
On December 27, 2021, he enlisted as an active-duty soldier.
Known For
TV
Idol Radio
TV
Star Road
TV
Road to Kingdom
TV
Can I Step In?
TV
Dive Into ONF
![ONF [FOCUS ON AND OFF]](https://image.tmdb.org/t/p/w342/Au7UBGXv8opgUV1V7lUzl4Bu2i2.jpg)
TV
ONF [FOCUS ON AND OFF]
![온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1](https://image.tmdb.org/t/p/w342/6DhiTgCYAg09SDRLGCktfByp6xD.jpg)
Film
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 1
Apr 6, 2024
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1](https://image.tmdb.org/t/p/w342/zyN3yVwFR1NoZGgxd77aZ4etce7.jpg)
Film
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 1
Sep 21, 2024
![2025 ONF CONCERT [THE MAP:STRANGER’S PATH]](https://image.tmdb.org/t/p/w342/pvF5lXWpkD3HuDDJSXeXtKXlZD1.jpg)
Film
2025 ONF CONCERT [THE MAP:STRANGER’S PATH]
May 31, 2025
Film
온앤오프(ONF) CONCERT [SPOTLIGHT] IN SEOUL NIGHT 2
Apr 7, 2024
![ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]](https://image.tmdb.org/t/p/w342/4wjPi5x2igYJI9jrbE5QcJhSW8X.jpg)
Film
ONF 2021 LIVE CONTACT :: CODE #1. [REVERSE]
Dec 12, 2021
![온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2](https://image.tmdb.org/t/p/w342/whume1STRxwi0EVBYU8ZMk669nG.jpg)
Film
온앤오프(ONF) CONCERT [SPOTLIGHT:THE HIDDEN SHADOW] NIGHT 2
Sep 22, 2024
![2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]](https://image.tmdb.org/t/p/w342/vQmZPhEa8KrUCwrqRqMpl9pube9.jpg)
Film
2026 ONF CONCERT [THE MAP: BEYOND THE HORIZON]
Jan 10, 2026
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