Casting is complete for the upcoming London bow of Big, the musical adaptation of the '80s comedy starring Tom Hanks. The show will make its West End debut at the Dominion Theatre beginning September 6.

Joining Jay McGuiness onstage will be Lori Haley Fox as Mrs. Kopecki/Ms. Watson and Edward Handoll as Paul Seymour. Sharing the role of Young Josh are Jamie O'Connor and Jake Simon, with Austen Phelan and Theo Wilkinson sharing the role of Billy.

Previously announced are Wendi Peters as Mrs. Baskin, Girls Aloud's Kimberley Walsh as Susan Lawrence, and Matthew Kelly as George MacMillan.

Rounding out the ensemble 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.

Olufemi Alaka, Coco Cousin-Brown, Asher Ezeguiel, Ellis Griffiths, Imogen Law Hing Choy, Noah Leggott, Amaya Lucas, Cassia McCarthy, Ophelia Parsons, Bailey Razdan, Lucinda Wicks, and Chanel Zinyemba comprise two teams of children set to appear in the musical.

Big has a book by John Weidman with music by David Shire and lyrics by Richard Maltby. Morgan Young will direct and choreograph alongside associate choreographer Helen Rymer. The production will also feature sets and costumes by Simon Higlett, lighting by Tim Lutkin, video designer by Ian William Galloway, and sound design by Terry Jardine and Avgoustos Psillas.

Big officially opens September 17 and is set to run through November 2.