34 Actors You Forgot Were on Grey's Anatomy

Episodes: Four episodes between season 2, episode 16: "It's the End of the World" and season 3, episode 17: "Some Kind of Miracle"

Chandler's character is introduced on the same episode as an ill-fated bomb squad leader named Dylan. He later reappears as one of Meredith's hallucinations. He's also now known as the one character Shonda Rhimes regrets killing off.