McMullan was born in Lambeth, London, and trained at the Royal Academy of Dramatic Arts after obtaining a degree at the University of St. Andrews.^{[citation needed]}

McMullan's stage work includes a 2008 adaptation of The Misanthrope alongside Damian Lewis and Keira Knightley^[1] along with the 2003 adaptation of His Dark Materials. In 2009 he was in Dominic Dromgoole's Shakespeare's Globe production of As You Like It and worked for Complicite. In 2016, again for Dromgoole, he was Prospero in The Tempest at the Sam Wanamaker Playhouse.^[2]

In 2017 McMullan played Sir Toby Belch in a production of Twelfth Night on the Olivier stage at the Royal National Theatre.^{[citation needed]}

In July 2020 Deadline announced that PBS’ Masterpiece would adapt Anthony Horowitz's Magpie Murders novel into a six-part drama series and air it in the US, and on BritBox in the UK.^[3] Horowitz prepared the script and Masterpiece produced the series along with Jill Green and Eleventh Hour Films.^[4][5] McMullan was signed to portray the character of Atticus Pünd after actor Timothy Spall pulled out of the production due to scheduling issues.^[6]

Television edit

• Tim McMullan at IMDb