Special Guest Stars Olivia Colman voices Lily Guest Stars Alex Désert voices Carl Carlson Tress MacNeille voices Tour Guide Tress MacNeille voices Female Baker Tress MacNeille voices Running Crowd Brian George voices Pubgoers Brian George voices Londoners Pamela Hayden voices Running Crowd Chris Edgerly voices Leonardo DiCaprio Chris Edgerly voices British Homer Chris Edgerly voices Running Crowd Robin Atkin Downes voices Pubgoers Robin Atkin Downes voices Londoners