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TV Shows

Majo Saiban (Fuji TV, 2009)
Voice as Ishimatsu Ryosuke (Fuji TV, 2009)
Hanazakari no Kimitachi e SP as Nakatsu Shuichi (Fuji TV, 2008)
Maou as Serizawa Naoto (TBS, 2008)
Hachimitsu to Clover as Takemoto Yuta (Fuji TV, 2008)
Hanazakari no Kimitachi e as Nakatsu Shuichi (Fuji TV, 2007)
Hana Yori Dango 2 as Oribe Junpei (TBS, 2007, ep1)
Akihabara@Deep as Box (TBS, 2006)
Gekidan Engimono Otoko no Yume as Yamazaki (Fuji TV, 2006)
Asuka e, Soshite Mada Minu Ko e as Sawamura Kazuya [a (Fuji TV, 2005)
Dekabeya as Ochi Yukio (TV Asahi, 2005)
Gekidan Engimono Nemureru Mori no Shitai as Eiji (Fuji TV, 2005)
Engimono America as Hachida (Fuji TV, 2002)
Hito ni Yasashiku as Yusuke (Fuji TV, 2002, ep5)
Neverland as Seto Osamu (TBS, 2002)
Love and Peace as Horiguchi Yohei (NTV, 1998)
Agri (NHK, 1997)
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Movies

Ningen Shikkaku / No Longer Human (2010)
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Recognitions

11th Nikkan Sports Drama Grand Prix (Jan-Mar 08): Best Supporting Actor for Hachimitsu to Clover
54th Television Drama Academy Awards: Best Supporting Actor for Hanazakari no Kimitachi e
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Trivia

Attended Meiji University
The name "Tomasu" was his "trademark" when he hosted a show named Meitantei Tomasu in the Shounen Club program.
His family consists of a father, a mother named Hiromi, a younger brother named Ryuusei, and a dog named JAM-chan.
His father wanted to name him Ikuta Tamegorou, but his mother changed it to Toma because it was easier to say.

Source: DramaWiki