The Colin McIntyre Classic Thriller Season is back for a dose of madness, mystery and murder this August. Now in its 37th season, the much-loved repertory season of psychological thrillers, detective mysteries and classic whodunnits, by Tabs Productions and Theatre Royal, Nottingham, opens on Tuesday, August 6 and runs until Saturday, August 31. Karen Henson, co-producer for Tabs Productions, said: “We’re delighted to be back at the beautiful Theatre Royal this summer. Travel back in time to the 1930’s with Doctor Who’s Nicholas Briggs, returning as the bumbling Inspector Pratt in Murdered to …