Claim: Thandie Newton has appeared in American films

Melanie Thandiwe `` Thandie '' Newton -LRB- -LSB- ˈtændi -RSB- born 6 November 1972 -RRB- is an English actress . She has appeared in several British and American films , and is known for roles such as Linda in The Pursuit of Happyness , Nyah Nordoff-Hall in Mission : Impossible 2 and Christine in Crash , for which she received a number of awards , including a BAFTA Award for Best Actress in a Supporting Role .   As of 2016 , she plays the sentient android , the madam Maeve Millay in the HBO science fiction-Western television series Westworld , which earned her a Critics ' Choice Award and Golden Globe and Screen Actors Guild Award nominations . She also portrayed DCI Roz Huntley in Series 4 of the BBC One police procedural series Line of Duty .