Australian-born Chris Hemsworth stars in the Marvel action film, "Thor."The hunky Hemsworth physically trained hard for the part, maybe a little too seriously. In an L.A. Times interview with reporter Amy Kaufman, the actor admitted he could not fit into his costume because... he was TOO muscular!"[The filmmakers] kept saying 'Yeah, get as big as you can, as big as you can.' And then I came back right before Christmas, just before we started the movie, and had a final sort of camera test and put the costume on and within a couple of minutes, my hands started going numb," Hemsworth said in his interview."And everyone was like, 'Yeah, that's not cool.' And I started getting pins and needles and you'd touch the skin and the blood wouldn't return to that area so quick. And I thought, 'OK, it doesn't fit.' "

James McAvoy stars in the summer blockbuster prequel, "X-Men: First Class."The Scottish-born actor plays the young Charles Xavier.

Sexy Chris Evans stars as Steve Rogers in the much anticipated movie, "Captain America: The First Avenger."

Funnyman James Franco plays Will Rodman in "The Rise of the Planet of the Apes" that tells the origin story set in present day San Francisco.

What can't Justin Timberlake do? He sings, dances and acts. Timberlake can be seen in the summer's comedy starring his ex Cameron Diaz in "Bad Teacher."

Making his return on the "Transformers" franchise, tall, dark and handsome Josh Duhamel is Lt. Colonel William Lennox. "Transformers: Dark Moon" on June 29.

Smooth "Bond" star Daniel Craig will make his way back to the big screen in Jon Favreau's summer film, "Cowboys & Aliens" due out in July.

Talented actor Ryan Gosling is in the much talked about film "Crazy, Stupid, Love" starring opposite Steve Carell. The comedy will be released in July.

In his first comic book action film, Ryan Reynolds stars as Hal Jordan in "The Green Lantern," opening in theaters everywhere June 17.

Shia LaBeouf returns in Michael Bay's mega movie "Transformers: Dark Moon." The actor will battle the Decepticons in the third "Transformers" film without his love interest, played by Megan Fox.

You can catch Johnny Depp in two films this summer. See Depp as a pirate in "Pirates of the Caribbean 4" and as a freelance journalist in "The Rum Diary."

Funnyman Owen Wilson returns to the animated Disney film, "Cars 2," beginning June 24.

It doesn't get more manly than this!"Game of Thrones" star Jason Momoa will appear on the big screen as Conan in "Conan the Barbarian," releasing August 19.