Strallen starred as Mary Poppins in the London production in the fall of 2005 and returned to the part in spring 2007. An original cast member of the London productions of Mamma Mia! and The Witches of Eastwick, she received a 2006 Olivier nomination for her role as Josephine in HMS Pinafore.
Fiorentino made his stage debut at age 17 in the Australian tour of The Boy from Oz. He originated the role of Tony Manero in the Australian premiere of Saturday Night Fever and later reprised the role in the London production.
The Broadway cast of Mary Poppins also features Daniel Jenkins Mr. Banks, Rebecca Luker Mrs. Banks, Jane Carr Mrs. Brill, Ann Arvia Bird Woman, Mark Price Robertson Ay, Ruth Gottschall Miss Andrew and Jeff Steitzer Admiral Boom.