Blumel joins 'How to Have Sex' star Mia McKenna-Bruce, who will lead the whodunit written by 'Broadchurch' creator and former 'Doctor Who' showrunner Chris Chibnall.

Set in 1925, 'The Seven Dials Mystery' is the story of a lavish country house party, where a practical joke appears to have gone fatally wrong. It's up to the intensely curious Lady Eileen "Bundle" Brent to uncover a sinister conspiracy that will change her life, and uncover the mystery of the country house, reports variety.com.

The actor will play Jimmy Thesiger, a charming but intelligent man who becomes Bundle's ally in the murder investigation.

The series also stars Helena Bonham Carter and Martin Freeman.

Along with 'The Seven Dials Mystery,' Blumel's upcoming limited series 'Washington Black' stars Sterling K. Brown also has a lead role, and will appear in the drama 'We Might Regret This'.