Tune in this evening, March 14, to see Sean Carrigan (Stitch, Y&R) guest starring on NCIS. The actor tweeted, “Catch me on @NCIS_CBS tonight at 8pm as Navy Chief Micheal Vinton !#YR.” The episode concerns a closed case that was originally considered an accidental death but turns out to be murder. “It was a great experience to work with such a wonderful cast and crew,” shares Carrigan. “I was so honored.”