The new production will be playing a nine-week limited engagement at the Dominion Theatre from September 6 through to November 2.
Adapted from the 1988 film starring Tom Hanks, Big tells the story of Josh Baskin, a 12-year-old boy who grows up overnight after making a wish on a Zoltar Speaks machine at a carnival.
The musical follows Josh's attempts to return to his childhood while trying to cope with his new life as a 30-year-old man.
Big the Musical cast
Strictly Come Dancing winner and The Wanted star Jay McGuiness leads the cast in the role Josh Baskin, a part he previously played during the production's UK premiere in Plymouth in 2016.
He's joined by Girls Aloud star Kimberley Walsh as Susan Lawrence with Wendi Peters as Mrs Baskin and Matthew Kelly as George MacMillan.
Joining them in the cast are Lori Haley Fox as Mrs Kopecki/Miss Watson and Edward Handoll as Paul Seymour, with Harrison Dadswell, Jamie O’Connor and Jake Simon sharing the role of Young Josh and Jobe Hart, Austen Phelan and Theo Wilkinson sharing the role of Billy.
And completing the adult cast are Charlie Bull, Colin Burnicle, Christie-Lee Crosson, Vicki Davids, Alex Fobbester, Leanne Garretty, Stuart Hickey, Matt Holland, Tash Holway, Ross McLaren, Richard Murphy, Eddie Myles, Katharine Pearson, Anton Fosh, Gemma Fuller, Gary Murphy and Katy Osborne.
Big The Musical tickets
Big the Musical plays at the Dominion Theatre from September 6. Currently you can get discounted tickets with an offer for previews on Monday-Friday performances up until September 20!
Big's performance schedule is Monday-Saturday at 7:30PM with Thursday and Saturday matinees at 2:30PM.