Elyes Cherif Gabel (; born 8 May 1983) is a British actor. Gabel's global breakout role was portraying computer genius Walter O'Brien in the CBS series Scorpion (2014โ2018). Earlier he gained recognition as series regular Dr. Gurpreet "Guppy" Sandhu in the BBC medical drama Casualty (2004โ2007), as Dothraki Rakharo in seasons 1 and 2 of the HBO...
