Elyes Cherif Gabel (; born 8 May 1983) is an English actor. He gained recognition for his portrayal of Dr Gurpreet "Guppy" Sandhu in the BBC medical drama Casualty (2004–2007), computer genius Walter O'Brien in the CBS series Scorpion (2014–2018), Dothraki Rakharo in Seasons 1 and 2 of the HBO series Game of Thrones (2011–2012), and PE teacher Rob Cleaver in the BBC One school-based drama series Waterloo Road (2009). Gabel was last seen as Sean Tilson in Apple TV+ suspense-thriller, Suspicion (2022). His other notable appearances are as DC Jose Rodriguez in the ITV drama Identity (2010), Detective Adam Lucas in season 3 of Body of Proof (2013), as virologist Andrew Fassbach in post-apocalyptic thriller film World War Z (2013), as Julian in crime drama film A Most Violent Year (2014), and as Adem Qasim in spy thriller film Spooks: The Greater Good (2015). Early life Gabel was born in Westminster, London and lived in Canada, before returning to the UK to live in Bristol and Manchester. He is of Algerian, French, Spanish, Dutch, Anglo-Indian, Irish and Portuguese descent. He attended St Damian's Roman Catholic Science College in Ashton-Under-Lyne. He later trained at Strodes College, the Oldham Theatre Workshop and the Northern Kids Theatre Company. He has also trained at Webber Douglas Academy of Dramatic Art, London. At the age of 18, he left school to shoot for a TV show in Toronto. Career 2001–2007: Early work and recognition through Casualty Gabel made his debut in 2001 as the character Jean-Claude Tournier in episode titled Breaking point of Series 15 of BBC medical drama Casualty. In 2002, Gabel dropped out of drama school to appear on the children's fantasy sitcom I Love Mummy where he portrayed Pharaoh Prince Nuffratuti (Prince Nuff) of Abu Simbel, who is unable to ascend to the afterlife until he has completed his scroll of tasks. In 2004, he appeared as Steve in BBC One medical soap opera Doctors. In the same year, Gabel appeared as two different characters in different episodes of Casualty. Later he joined as series regular character Gurpreet Guppy Sandhu in the same show as a part of Series 19. He was nominated as Most Popular Newcomer at the 2005 National Television Awards for the role. He also appeared as Gurpreet in episode four titled "Teacher's Pet" of Casualty@Holby City, a nine part special crossover series of Casualty and its spin