Urodził się 22 czerwca 1973 roku w Milanówku. W 1996 roku debiutował w roli studenta na małym ekranie w serialu "Dom", a w kinie w polsko-francuskiej produkcji filmowej "Szamanka" Andrzeja Żuławskiego. W 1997 roku ukończył Akademię Teatralną w Warszawie. Został aktorem Teatru Dramatycznego w Warszawie. W 1999 roku wystąpił w takich filmach fabularnych jak: "Kilerów 2-óch" Juliusza Machulskiego jako "młody wilk" Mirosław, "Krugerandy" Wojciecha Nowaka w roli Arka Bilskiego, "Torowisko" Urszuli Urbaniak jako młody maszynista. Przełomem w karierze stała się postać Lulka Antoniego w "Przedwiośnie" Filipa Bajona. Stał się również znany z telewizyjnych ról w serialach: "Miasteczko" i "Marzenia do spełnienia". Został zwycięzcą przeglądu sztuki estradowej w 2001 roku za ciekawe wykonanie piosenki "Kiedy Łukasz się zamyśli". Kolejne lata przyniosły Marcinowi sławę i rozgłos. Aktora można było zobaczyć w takich kinowych przebojach jak: "Vinci", "PitBull", "Ogród Luizy", "Rewers", "Róża", "Jack Strong", "Drogówka" czy "Obława".

波兰电影、电视和舞台演员。他被广泛认为是波兰最有才华和最受尊敬的演员之一，以对冲突、陷入困境的角色的刻画以及英俊、阳刚、有魅力和迷人的男主角角色而闻名。多罗钦斯基还以与独立电影的联系而闻名。他在 2000 年代初期获得了评论界的赞誉，最终获得了 Zbyszek Cybulski 最佳波兰青年演员奖（2005 年）和波兰老鹰队最佳男主角提名（2008 年），随后是金狮奖最佳男配角“逆转”和最佳男主角“玫瑰”。2020 年，他加入了由安雅·泰勒-乔伊主演的 Netflix 迷你剧《女王的赌注》的演员阵容。多罗钦斯基扮演俄罗斯国际象棋大师瓦西里·博尔戈夫，他面临着与该系列主角对弈的挑战。

多罗钦斯基保持低调，专注于他的家庭：妻子和三个孩子。他是 U2 和 Red Hot Chili Peppers 的狂热粉丝，喜欢铁人三项、汽车和赛车以及遛狗。他还积极致力于保护环境和争取动物权利。

Marcin Grzegorz Dorociński (Polish: [ˈmart͡ɕin dɔrɔˈt͡ɕiɲskʲi]; born 22 June 1973) is a Polish film, television and stage actor. He is known for playing roles in such films as Pitbull(2005), Reverse (2009), Rose (2011), Jack Strong (2014), Hurricane (2018) and Mission: Impossible – Dead Reckoning Part One (2023), as well as internationally produced TV series Spies of Warsaw (2013) and The Queen's Gambit (2020).

Dorociński was born in Milanówek and grew up in a small village, Kłudzienko. His father is a blacksmith, and his mother is a housewife. He has three brothers, all of whom are police officers. He dreamt of becoming a professional football player. However, he was forced to give up the plan after sustaining a significant leg injury. He attended the vocational school in Grodzisk Mazowiecki and obtained a machinist certificate. The first person to notice his talent for acting was his history teacher, who encouraged him to become an actor. In 1993, he enrolled at the Aleksander Zelwerowicz State Theatre Academy.

In his second year at the State Theatre Academy, he was cast as Don Rodrigue in a television adaptation of Le Cid directed by Krystyna Janda. After graduating from the Academy in 1997, he struggled to find acting jobs. He worked as a waiter and a bouncer. He took other casual jobs until he was offered a post at the Dramatic Theatre in Warsaw. He has also appeared in several plays at the Ateneum Theatre in Warsaw, where he is currently employed.

He played minor roles in multiple television series before his breakthrough came with the role in Patryk Vega's 2005 film Pitbull, which brought him the Zbyszek Cybulski Award. He is a two-time Polish Film Festival award winner for his  Reverse (2009) and Rose (2011) roles.  The latter also earned him the IFFI Best Actor Award at India's 43rd International Film Festival. In 2012, he appeared in Magdalena Łazarkiewicz's critically acclaimed TV series The Deep End ("Głęboka woda"), which earned him a nomination for Best Actor Award at the Monte Carlo Television Festival. Between 2012 and 2013, Dorociński appeared in a miniseries called Spies of Warsaw, co-produced by the and Telewizja Polska.

In 2020, he joined the cast of the Netflix drama miniseries The Queen's Gambit, starring Anya Taylor-Joy. Based on the 1983 novel by Walter Tevis of the same name, the show explores the life of an orphan chess prodigy named Beth Harmon from the age of eight to twenty-two as she struggles with addiction in a quest to become a grandmaster in chess. Dorociński plays Soviet world chess champion Vasily Borgov.

He is married to scenic designer Monika Sudół. The couple has a son, Stanisław (born 2006), and a daughter, Janina (born 2008). They also brought up Sudół's son from a previous relationship, Jakub.

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