胡歌，1982年9月20日出生于上海市徐汇区，中国内地影视男演员、流行乐歌手，民盟盟员，二级演员（副高级）。毕业于上海戏剧学院表演系。

2004年主演个人首部电视剧《蒲公英》。2005年在仙侠剧《仙剑奇侠传》中饰演李逍遥，并演唱该剧插曲《六月的雨》、《逍遥叹》。2006年主演电视剧《天外飞仙》；同年遭遇严重车祸。2008年发行个人首张音乐专辑《出发》。2009年主演仙侠剧《仙剑奇侠传三》，并演唱片尾曲《忘记时间》。2010年主演穿越剧《神话》；同年发行音乐专辑《蓝光》。2011年参演历史题材电影《辛亥革命》，提名大众电影百花奖最佳新人奖。2012年主演玄幻剧《轩辕剑之天之痕》。2013年凭借话剧《如梦之梦》获得第2届北京丹尼国际舞台表演艺术奖最佳男演员奖。

2015年在谍战剧《伪装者》中饰演明台；同年凭借古装剧《琅琊榜》中梅长苏一角获得第22届上海电视节白玉兰奖最佳男主角奖、第28届中国电视金鹰奖观众喜爱的男演员奖、第11届中国金鹰电视艺术节最具人气男演员奖等奖项。2016年登上央视春晚演唱歌曲《相亲相爱》。2017年获得共青团中央“全国向上向善好青年”崇义友善好青年称号；同年在都市剧《猎场》中饰演郑秋冬。凭借该剧二度提名上海电视节白玉兰奖最佳男主角奖。2019年主演的电影《南方车站的聚会》入围戛纳国际电影节主竞赛单元。2022年主演电视剧《县委大院》。2023年凭借电影《不虚此行》获得第25届上海国际电影节金爵奖最佳男演员奖；同年主演都市剧《繁花》播出。

In 2004, Hu made his breakthrough role as Li Xiaoyao in the television series Chinese Paladin, an adaptation of the action RPG The Legend of Sword and Fairy. Hu also performed two songs for the series' soundtrack and that marked the beginning of his music career.

After Chinese Paladin, Hu embarked on a number of television series projects, most of which had a wuxia theme. Hu has acted in a number of films as well, including The Ghost Inside and The 601st Phone Call. In late 2008, he co-starred with Wu Chun and Charlene Choi in The Butterfly Lovers, a film based on the Chinese legend of the Butterfly Lovers. In the same year, he played the role of Guo Jing in The Legend of the Condor Heroes, an adaptation of Louis Cha's novel of the same title.

Hu performed many songs for the soundtracks of the television dramas he starred in. On 31 October 2006. Hu released his own EP, titled Treasure or Tell Her I Love Her, which featured three songs. On 15 May 2008, Hu released his first full-length music album, titled Start, which featured ten tracks.

Hu was involved in a car accident on 29 August 2006 while travelling from Hengdian to Shanghai on the highway. He survived with severe injuries while his assistant died. Hu had to undergo surgery and the entire healing process took approximately one year. The shooting of The Legend of the Condor Heroes, which he was working on then, was temporarily halted due to his injury, in addition to being unable to complete promoting his finished project, The Young Warriors, with his fellow cast members. Hu expresses how he felt about the incident through the performance of his single, To Love, and filmed a music video with his co-star from the two series and friend Cecilia Liu.