Chris Hemsworth Thor Odinson Natalie Portman Jane Foster Tom Hiddleston Loki Anthony Hopkins Odin Christopher Eccleston Malekith Jaimie Alexander Sif Zachary Levi Fandral Ray Stevenson Volstagg Tadanobu Asano Hogun Idris Elba Heimdall Rene Russo Frigga Adewale Akinnuoye-Agbaje Algrim / Kurse Kat Dennings Darcy Lewis Stellan Skarsgård Erik Selvig Alice Krige Eir Clive Russell Tyr Jonathan Howard Ian Boothby Claire Brown Volstagg's Wife Henry Calcutt Volstagg's Child #1 Thomas Arnold Desk Officer Sam Swainsbury Stonehenge TV News Reporter Royce Pierreson Student Annabel Norbury Woman on Platform Sophie Cosson Wench #1 Chris O'Dowd Richard Justin Edwards Police Officer #1 Gruffudd Glyn Police Officer #2 Richard Brake Einherjar Lieutenant Stan Lee Stan Lee Steve Scott Steve Scott Brett Tucker Einherjar Guard Talulah Riley Nurse Richard Wharton Asylum Patient Tony Curran Bor (uncredited) Chris Evans Loki as Captain America (uncredited) Benicio del Toro Taneleer Tivan / The Collector (uncredited) Ophelia Lovibond Carina (uncredited) Elsa Pataky Jane Foster stand-in (uncredited)