Tom Blyth and Russell Tovey in ‘Plainclothes.’ (Magnolia Pictures)The Sundance award-winning film Plainclothes hits select theaters on Friday. It is the first feature from director Carmen Emmi and stars Tom Blyth as Lucas, an undercover cop assigned to entrap and arrest gay men. Lucas finds himself caught in a double life when he falls for a target, Andrew, played by Russell Tovey. “He was like, ‘If you have any ideas for who could play Andrew, send them my way.’ And pretty much the only person I came up with was Russell,” Blyth said. '”Tovey said the themes of the film are universal.