Siddig's first acting role was at the age of 14 in a non-speaking role, playing
King Tut in a
BBC children's production. Siddig's first television role was a
Palestinian man in a British six-part miniseries called
The Big Battalions (filmed in 1989 but released in 1992), and shortly afterward, he won the role of Prince Feisal in
A Dangerous Man: Lawrence After Arabia, a 1990 telefilm sequel to
Lawrence of Arabia starring
Ralph Fiennes. In 1995, Siddig also changed his stage name from Siddig El Fadil to Alexander Siddig. The film was never completed. Siddig told
Bidoun magazine that demand for Islamic and Arabic character roles was increasing in both film and television after the
September 11 attacks and that people began to approach him with projects within six months of the event. Siddig appeared in a
cameo role as
Khalid Sheikh Mohammed in the film
The Hamburg Cell that premiered the following year. That same year, Siddig appeared as Saladin's aide
Imad in
Ridley Scott's 2005 film
Kingdom of Heaven, and starred alongside
George Clooney and
Matt Damon as Prince Nasir in the film
Syriana. Siddig played the title role in the BBC's 2006 telefilm
Hannibal. In 2007, he starred in
A Lost Man (French title
Un Homme Perdu) a French-language film that screened at the
Cannes Film Festival. That same year, he played the role of former terrorist Hamri Al-Assad in the
sixth season of
24. Directed by Canadian director
Ruba Nadda, the film won the prize for "Best Canadian Feature Film" at the
2009 Toronto International Film Festival. He also played Jamal in
Julian Schnabel’s 2010 film
Miral. In 2012, Siddig again worked with director Nadda and played the starring role as a Syrian-Canadian businessman in the film
Inescapable, which also starred
Marisa Tomei and
Joshua Jackson. In 2013, Siddig narrated the
BBC Two nature documentary series
Wild Arabia and played the role of
Minos in the first series of the BBC
fantasy-
adventure programme
Atlantis. From 2013 to 2015, Siddig played Aslan Al-Rahim ("the Turk") in the BBC
historical fantasy drama series ''
Da Vinci's Demons. In 2015 and 2016, he appeared in the HBO series Game of Thrones''; Siddig played the role of
Doran Martell, the ruling Prince of Dorne, in the series' fifth and sixth seasons. He also played Reuben Oliver, an artist and suitor of Polly Shelby, in the third season of the British series
Peaky Blinders. Siddig also provided the voice of Wolf, a character in the historical fantasy drama
Tumanbay that aired on
BBC Radio 4 between December 2015 and February 2016. In 2017, Siddig joined the cast of the televisions series
Gotham as
League of Shadows leader
Ra’s al Ghul and also played the part of
Aristotle Onassis in the drama miniseries
The Kennedys: After Camelot. In 2019, he appeared in the
Netflix series
The Spy as Ahmed Suidani, a Syrian security officer. That same year, he appeared as Issouf Al Moctar in the second season of the
Fox (UK and Ireland) thriller series
Deep State, and voiced Avi Singh in
Star Wars: The Bad Batch. ==Personal life==