Case Dillard, Steffanie Leigh, Cameron Matthison Photo

From: Photo Flash: Cameron Mathison Makes Cameo in MARY POPPINS!

Cameron Mathison ('All My Children,' 'Good Morning America') made his Broadway debut on Wednesday, November 2 in a cameo role in MARY POPPINS at the New Amsterdam Theatre. Mathison's performance will be shown as a part of a special 'Good Morning America' segment celebrating the 5th anniversary of MARY POPPINS on Broadway, airing Monday, November 7th at 7AM on ABC (schedule subject to change), in which he becomes the first non-cast member in the show's 7 year history to attempt Bert's 'proscenium walk.' Following the performance, Mathison, Steffanie Leigh (Mary Poppins), and Case Dillard (Bert at that evening's performance) were greeted backstage by Mathison's former 'All My Children' co-star, Susan Lucci. Check out photos from the special event below!