Gurdeep Roy (born Mohinder Purba; 1 December 1957), known professionally as Deep Roy, is a Kenyan-British actor, puppeteer and stuntman. At 132 centimetres (4 ft 4 in) tall, he has often been cast as diminutive characters, such as Teeny Weeny in The NeverEnding Story, all the Oompa-Loompas in Charlie and the Chocolate Factory, Keenser in Star Trek and its sequels, and in television series such as The X-Files, Doctor Who, and Eastbound & Down.
Source : Wikipedia