Potter alums Michael Gambon and Imelda Staunton are the latest actors added to the Paddington cast. They will be playing Paddington Bear’s Uncle Pastuzo and Aunt Lucy. The film, produced by Potter’s David Heyman, also stars their Harry Potter colleagues Jim Broadbent and Julie Walters. After some recent casting changes, Colin Firth has been replaced by Ben Whishaw as the voice of Paddington.

The film will be released on November 28, 2014 and the world premiere will be held at Odeon Leicester Square on November 23.