Ólafur Darri Ólafsson

The upcoming "God Of War" series hit a major snag after the show's star got injured on set ... and now production is paused. Sources tell TMZ ... Ryan Hurst -- who plays Kratos in the video game adaptation -- tore his bicep while filming a stunt ... and the injury requires surgery. According to…

Icelandic-American actor and screenwriter Ólafur Darri Ólafsson was 40 years old when he starred as the drunk helicopter pilot -- who's foreign, loves karaoke and flies planes under the influence -- in the 2013 adventure-comedy drama film "The Secret Life Of Walter Mitty." Ólafur shared the big…