Scottish actor Alan Cumming will host Masterpiece Mystery!, the summer season of WGBH’s imported drama series, PBS announced today. (In January, Gillian Anderson started hosting the winter season, Masterpiece Classic.) Cumming has played roles from Chekhov and Euripides, as well as in X-Men and a James Bond flick, and won a Tony as the emcee in Cabaret. Cumming’s website. He’ll introduce a season that includes the conclusions of Foyle’s War and the Inspector Lynley series and a spinoff of Inspector Morse.