Geoff Stults Gay or Straight, Underwear, and Speedo Photos. Look who’s rocking his pair of teeny weeny Speedo swim briefs? It’s Enlisted star Geoff Stults! He shared this photo to his Instagram followers. For those of you wondering the other guys in the pic are his older bro George Stults (center) and reality star Silas Gaither of Survivor Africa (left). Like Geoff, George is also an actor.