The Sound of Music’s Stephen Moyer on Auditioning to Play a Von Trapp Child & His ‘Incredible’ Co-Star Carrie Underwood

True Blood hunk Stephen Moyer is taking a decidedly un-vampirey turn in The Sound of Music Live!, playing Captain Georg von Trapp alongside a bunch of seriously talented leading ladies. The star stopped by Late Night with Jimmy Fallon on November 25 to chat with the host about rehearsing for the forthcoming telecast alongside American Idol champ Carrie Underwood and five-time “Emmy”—uh, don't ya mean Tony?—winner Audra McDonald. Click below to see Moyer talk about playing the guitar, singing “Edelweiss” and more, then see him do it all live on December 5!