间宫祥太朗（Shotaro Mamiya），本名：马渡祥太朗，1993年6月11日出生于神奈川县横滨市，日本男演员、模特。

2008年，通过出演校园剧《废物老师》而作为演员出道。2010年，参演个人首部电影《日本派》。2014年，参演电视剧《即使弱小也能取胜》；同年7月，参演的青春运动剧《水球不良青年们》播出。2016年，参演的爱情喜剧片《高台家的成员》上映。2017年，参演的喜剧片《帝一之国》上映；同年，凭借在电影作品《鸟女》《帝一之国》《你还是不懂群马》中的表现获得“2017年TAMA电影奖”最优秀新人男演员奖。2018年，出演NHK晨间剧《一半，蓝色》 [7] 和日剧《ZERO 一获千金游戏》。2019年1月，参演的朝日台职场喜剧《派遣占卜师·中》开播。

Shotaro Mamiya (間宮 祥太朗 Mamiya Shōtarō, born 11 June 1993) is a Japanese tarento and actor. He is represented with Tristone Entertainment Inc.

Mamiya's real name is Shotaro Mawatari (馬渡祥太朗 Mawatari Shōtarō) and has nicknames such as "Shotaro" (祥太朗 Shōtarō), "Mamīnu" (まみーぬ, named by Takahisa Maeyama) and Mamitasu (まみたす, nicknamed by Dori Sakurada).

His hobbies are playing guitar, watching films and listening to music. Mamiya's shoe size is 28 cm (11 in).

He is often on good terms with fellow actors Ryo Narita, Dori Sakurada, and Yuma Yamoto on Twitter. Mamiya also professed that he sometimes meet Narita once in a month according to a variety show (Down Town DX). It is said that they are good friends from surrounding people, but they are suspected to be gay, but they have not denied it, and he told that he does not mind thinking of it.

Mamiya's favourite actress is Kumiko Aso.

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