Television News Sylvester Stallone to guest star on NBC's 'This is Us' 08/04/2017 Sylvester Stallone has booked a guest appearance on NBC's family drama, "This is Us." 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: Mandy Moore Sterling K. Brown Sylvester Stallone Justin Hartley Milo Ventimiglia Chrissy Metz This Is Us
