has trouble." Explaining, "He's all too aware of how potentially threatening this new enemy is on both the home front and the battlefield." Zachary Levi as Fandral: A member of the Warriors Three, characterized as an irrepressible swashbuckler and romantic. Levi replaced Joshua Dallas in the role due to Dallas's commitment on Once Upon a Time. Levi had been up for the role in the first film, but bowed out due to his commitment on Chuck. Levi compared the character to Flynn Rider, the character he played in the animated feature, Tangled, "Fandral is a little similar to Rider in some ways... He's like this Lothario. He's like Errol Flynn. He loves ladies, as do I". Regarding the dynamic of the Warriors Three, Levi said, "The Warriors Three are here to support Thor. We are his confidants, his best friends. We've all grown up together in a lot of ways and fought many a battle together, escaped death. To me it's the way best friends ought to be—they're there when you need to talk and they're there if you don't want to talk, and they're there if you need to escape from your father's place in a flying skiff!" Tadanobu Asano as Hogun: A member of the Warriors Three, native of Vanaheim, primarily identified by his grim demeanor. Jaimie Alexander as Sif: An Asgardian warrior, Thor's childhood friend and Foster's romantic rival, based on the deity of the same name. Alexander said there is more character development for Sif and the film explores the Sif-Thor relationship. Alexander elaborated, "I really tried to bring a little bit more vulnerability in this film. Sif is very much in love with Thor and very much cares about his well-being. So she kicks a lot of butt in this movie but she also opens her heart a lot." Alexander suffered a severe back injury while on the set. About the injury, she said, "It was raining, it was dark outside, it was like 5 in the morning—and I went down a metal staircase and slipped and slipped a disc in my thoracic spine and chipped 11 of my vertebrae. I knocked my left shoulder out of place and tore my rhomboid on my right side... It took me out of filming for a month". Rene Russo as Frigga: The wife of Odin, queen of Asgard, mother of Thor, and adoptive mother of Loki, based