He was initially expected to be joined by the Duchess of Cambridge, but she cancelled her appearance as she continues to recover from acute morning sickness.
Photo Gallery: 'The Hobbit: An Unexpected Journey' royal premiere:
Richard Armitage - who plays Thorin - walked the special green carpet and took a cast photo with Andy Serkis, while The Hobbit's Company of Dwarves actors James Nesbitt, Adam Ori, Jed Brophy and Mark Hardlow were also present.
The Hobbit: An Unexpected Journey, which is the first of three films, opens this Thursday (December 13) in the UK and debuts on Friday (December 14) in the US.
Watch a trailer for The Hobbit: An Unexpected Journey below: