Mangan, who is currently appearing as Wooster in the West End run of Jeeves and Wooster in Perfect Nonsense through April 5, was previously in the last London revival of Alan Ayckbourn's The Norman Conquests at the Old Vic that subsequently transferred to Broadway's Circle in the Square. More recently he was seen at the Royal Court in Birthday and The People are Friendly. He is best known for roles including Guy Secretan in the television series "Green Wing," Dan Moody in "I'm Alan Partridge," Sean Lincoln in "Episodes" and holistic detective Dirk Gently in "Dirk Gently."
The voiceover will be provided by Julie Walters, last seen on the London stage in the National Theatre's premiere of The Last of the Hausmanns in 2012.
The set will be designed by Es Devlin, herself Olivier-nominated this year for her work on Chimerica that transferred from the Almeida to the West End's Harold Pinter Theatre. She designed the London 2012 Olympic Closing Ceremony and is currently represented in the West End by I Can’t Sing!
Further details of the U.K. and international line-up for the awards ceremony are to be announced shortly.
For more details and full nominations, visit http://www.olivierawards.com.