in Stephen Frears's film The Queen, starring Oscar-winner Dame Helen Mirren, as the Queen's private secretary. In February 2007, he performed in the 1960s farce Boeing-Boeing at the Comedy Theatre in the West End, co-starring Mark Rylance, Frances de la Tour and Tamzin Outhwaite. In 2007, he appeared for the first time as Peter Mannion MP in the special episodes of the BBC comedy The Thick of It. He reprised the role in the third series (2009), and returned in the final series (2012) as part of the expanded regular cast. In 2008, Allam played the role of Max Reinhardt, the Salzburg Festival impresario in Michael Frayn's play Afterlife, the production staged by Michael Blakemore on the National Theatre's Lyttelton stage. In 2009, Allam played Albin/Zaza in La Cage aux Folles at the Playhouse in London. Allam played Falstaff in Henry IV, Part 1 and Henry IV, Part 2 at Shakespeare's Globe, in the 2010 season. He won the Olivier Award for Best Actor. In October 2010, Allam was reunited with his former cast mates from Les Misérables in the 25th anniversary concert for a performance of "One Day More". In January 2012, he starred in the first series of Endeavour, the prequel to the long-running Inspector Morse, playing the gruff but kind-hearted Detective Inspector Fred Thursday, young Endeavour Morse's mentor in 1960s Oxford. By 2018 Allam had portrayed his central character in five additional well-received series, which are also aired in America as part of the PBS Masterpiece Mystery! series. In March 2019, the show's sixth season had concluded on ITV, was scheduled for broadcast in the summer in the United States, and had been recommissioned for a seventh season to be set in 1970. In April 2012 he also starred as Serebrayakov in the play Uncle Vanya by Anton Chekhov at the Chichester Festival Theatre. In 2013 he played the role of Prospero in William Shakespeare's play The Tempest at Shakespeare's Globe theatre in London alongside Colin Morgan as Ariel. Allam presented Michael Frayn at the 2013 Olivier Awards with a Special Lifetime Award which was aired by ITV1. Allam has also reteamed with Stephen Frears in Tamara Drewe, the film version of Posy Simmond's popular comic strip. He plays the crime novelist Nicholas Hardiment, who is bewitched by London journalist Tamara Drewe, played by Gemma Arterton. In the closing chapter of his Timebends autobiography (1987) Arthur Miller