- Name: 窪塚洋介
- Name (romaji): Kubozuka Yosuke
- Birthdate: 1979-May-07
- Star sign: Taurus
- Height: 177cm
- Weight: 55kg
- Blood type: O
- Family: Wife, son, and brother/actor Kubozuka Shunsuke
- Talent agency: Infini
Kubozuka Yosuke is a very popular young actor in Japan. Similar to many other actors, he works in both film and TV series.
In 2001, he won many best actor awards everywhere for his brilliant performance in Go!. His career has risen to the top due to the succcess of this film. In 2004, he survived after falling 26 metres from his 9th floor apartment. He continues to rebuild his career as reggae singer, 卍LINE.
- Kaidan Hyaku Monogatari in story 6 (Fuji TV, 2002)
- Laundry (NHK, 2002)
- Long Love Letter as Asami Akio (Fuji TV, 2002)
- Number One (TBS, 2001)
- Strawberry on the Shortcake as Saeki Tetsuya (TBS, 2001)
- Ikebukuro West Gate Park as Takashi (King, Leader of the G-Boys) (TBS, 2000)
- Omiai Kekkon as Ohata Junichi (Fuji TV, 2000)
- Moichido Kiss (NHK, 2000)
- Soshite, tomodachi (TV Asahi, 2000)
- Lipstick as Makimura (Fuji TV, 1999)
- Tengoku ni ichiban chikai otoko as Yuki Satoru (TBS, 1999)
- Great Teacher Onizuka as Kikuchi Yoshito (Fuji TV, 1998)
- Wakaba no koro (TBS, 1996)
- Kindaichi Shonen no Jikenbo (NTV, 1995)
- The Tale Of Genji (2011)
- Strangers in the City / Yukizuri no Machi (2010)
- Tokyo Jima (2010)
- Pandora no Hako (2009)
- Ichi (2008)
- Maboroshi no Yamataikoku (2008)
- Ore wa, Kimi no Tame ni Koso Shini ni Iku (2007)
- Songshu Zisha Shijian (2006)
- Onaji Tsuki wo Miteiru (2005)
- Tobi ga Kururito (2005)
- Makai Tensho (2003)
- Keimusho no naka (2002)
- Kyoki no sakura (2002)
- Ping Pong (2002)
- Laundry (2001)
- Go (2001)
- Tomie:Replay (2000)
- Oboreru Sakana (2000)
- Ping Pong Bath Station (1998)
- Midori (1996)
- 25th Television Academy Awards: Best Supporting Actor / Ikebukuro West Gate Park
- 28th Television Academy Awards: Best Supporting Actor / Strawberry on the Shortcake
- Award of the Japanese Academy (2002): Best Actor & Newcomer of the Year / Go!
- Hoichi Film Awards (2001): Best Actor / Go!
- Kimema Junpo Awards (2002): Best Actor / Go! & Oboreru Sakana , Best New Actor Go!
- Mainichi Film Concurs (2002): Sponichi Grand Prize New Talent Award
- Marrakech International Film Festival (2002): Best Actor / Go!
- Nikkan Sports Film Awards (2001): Ishihara Yujiro New Actor Award / Go!
- Yokohama Film Festival (2002): Best Actor / Go! & Oboreru Sakana
- Kubozuka Yosuke is now a reggae artist under the name Manji LINE