Credit: John Sciulli/Getty Images Photo: Ryan Rottman at the Hollywood Premiere of Maskada on November 30, 2010

Former Gigantic star Ryan Rottman is set to play Shane — a confident, twentysomething gay man dedicated to the fight for marriage equality — in Season 4 of 90210. While Ryan doesn't prefer guys in real life, he has at least one thing in common with his 90210 character: He's a firm believer in gay rights.

Watch his Straight But Not Narrow campaign video below!