Photo Flash: Alex Jennings, Ben Forster, and More Celebrate West End's CHARLIE AND THE CHOCOLATE FACTORY's One Year Anniversary

Roald Dahl's Charlie and the Chocolate Factory, directed by Sam Mendes, last night marked the first anniversary of its opening at the Theatre Royal Drury Lane with a gala performance and party for cast, crew and special guests. Check out a first look at cast members on the red carpet below!

Jake Poolman, one of the four young actors who share the role of Charlie Bucket, led the curtain call at the end of the show with Alex Jennings (Willy Wonka), Barry James (Grandpa Joe) and fellow cast members, before all attending a party at the Waldorf Hilton hotel. Also present were guests Ben Forster, Beverley Knight, Rebecca Front, Charlotte Jaconelli, Hannah Reid, Adrian Scarborough, Helen Skelton and Richie Myler.

Roald Dahl's Charlie and the Chocolate Factory has quickly become one of the West End's most popular and successful stage musicals. It won two Olivier awards in April 2014, and has broken records at the Theatre Royal Drury Lane, where it has been seen by over 750,000 people since it opened in June 2013. It is currently taking bookings until 30 May 2015.

Charlie and the Chocolate Factory is directed by Sam Mendes. Featuring ingenious stagecraft, the wonder of the original story that has captivated the world for almost 50 years is brought to life with music by Marc Shaiman, and lyrics by Scott Wittman and Marc Shaiman, a book by award-winning playwright and adaptor David Greig, set and costume designs by Mark Thompson and choreography by Peter Darling.

The Official Cast Recording album is available on Sony Records, on CD and download.

This world premiere musical is produced by Warner Bros. Theatre Ventures, Neal Street Productions and Langley Park Productions.

Photo Credit: David Jensen