Television News Wilmer Valderrama joins ABC's 'Grey's Anatomy' 03/09/2016 Wilmer Valderrama has been cast to guest-star on ABC's "Grey's Anatomy" as part of a multiple-episode arc. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Demi Lovato Wilmer Valderrama Raising Hope Grey's Anatomy Royal Pains That '70s Show Suburgatory Minority Report From Dusk till Dawn Minority Report