: The three stone trolls that Bilbo and the dwarves encounter are voiced and acted by three of the dwarves: Mark Hadlow (Dori), William Kircher (Bifur), and Peter Hambleton (Gloin).
: Because Ian McKellen (Gandalf) is much taller than the actors playing dwarves, he often had to film his scenes alone against a green screen while the others were on a different set. This made him so frustrated and lonely that he famously broke down on set; to cheer him up, the crew secretly decorated his tent with props and flowers. El hobbit: Un viaje inesperado (2012)
: Director Peter Jackson makes a cameo as a dwarf running past the camera during the opening attack on Erebor. : The three stone trolls that Bilbo and