<Li> Colm Feore as Laufey: King of the Frost Giants and Loki's biological father, based on the mythological being of the same name, who in myth was actually Loki's mother . Feore stated it took five hours for his makeup to be applied . About his character Feore remarked, "I am the King of Frost Giants . And if you've seen any of the Frost Giants, you know that I am, of course, the Napoleon of Frost Giants . We've got some massive, fabulous guys who dwarf me and come in at around eight - and - a-half feet, nine feet . But, no . Can't you tell by the commanding presence? I am the boss". He said the Shakespearean training he shared with Hopkins and director Branagh helped keep production moving briskly, saying that "during the breaks, Tony, myself and Ken would be talking in Shakespearean shorthand about what the characters were doing, what we thought they may be like, and how we could focus our attention more intelligently . These were discussions that took no more than a few minutes between takes, but they allowed Ken, Tony and (me) to understand each other instantly without Ken taking an hour away to explain to the actors exactly what was going on . So that was enormously helpful ." </Li> <Li> Ray Stevenson as Volstagg: A member of the Warriors Three; a group of three Asgardian adventurers who are among Thor's closest comrades, known for both his hearty appetite and wide girth . Stevenson previously worked with Kenneth Branagh in the 1998 film The Theory of Flight, and with Marvel Studios as the titular character in Punisher: War Zone . Stevenson wore a fat suit for the role, stating, "I've tried the suit on, and what they've done is kind of sex him up: he's sort of slimmer but rounder .". Stevenson said, "He's got every bit of that Falstaffian verve and vigor, and a bit of a beer gut to suggest that enormous appetite, but he's not the sort of Weeble - shaped figure he is in the comics . He's Falstaff with muscles . I've got this amazing foam - injected undersuit that flexes with me ." </Li> <Li> Idris Elba as Heimdall: The all - seeing, all - hearing Asgardian sentry of the bifröst bridge, based on the mythological deity of the same name . Elba said Branagh's involvement was a major incentive to take the role: "(Branagh) called me up personally and said,' I know this isn't a big role, but I would really love to see you play it .' It's Kenneth Branagh . I was like,' Definitely"'. About the role Elba remarked, "I did green screen for the first time! I wouldn't like to do a whole movie of green screen, though . You kind of forget the plot a little--like being in a Broadway play and doing it over and over and forgetting your line halfway through". Elba stated he has made a four - picture commitment with Marvel Studios . Elba's casting prompted a proposed boycott by the Council of Conservative Citizens and a debate amongst comic book fans, some insisting it was wrong for a black man to play a Nordic god . In response Elba called the debate "ridiculous". </Li> <Li> Kat Dennings as Darcy Lewis: A political science major who is Jane Foster's intern . Dennings described her character as Foster's "little helper gnome". Dennings stated that her role was expanded during the rehearsal process . Dennings explained, "She's kind of like a cute, clueless, little puppy or maybe a hamster . There wasn't much on the page for the Darcy role to begin with and I didn't even see a script before I took the job so I didn't really know who Darcy was at first . But she really evolved--she's so much fun now even . She's very Scooby - Doo if that makes sense . She's always three steps behind and reacting to what's happening with these great expressions...She gets things wrong and doesn't care ." </Li>

Actor starring as heimdall in the thor film series