Spoiler alert! The mystery of old man Jack has been solved.
ET caught up with Mandy Moore, Milo Venitmiglia and Justin Hartley at SXSW in Austin, Texas, where they opened up about the show's season finale which will include Kate and Toby's wedding, plus a very special guest.
ET spoke with Mandy at SXSW in Austin, Texas on Monday, where she dished on the highly-anticipated season 2 finale and what's to come in season 3.
ET caught up with Milo and his co-star, Mandy Moore, at SXSW in Austin, Texas, on Monday, where they dished on the season 2 finale.
The 40-year-old actor and co-star Mandy Moore tease Tuesday's anticipated season finale.
The 'This Is Us' star and the figure skater met backstage at 'The Ellen DeGeneres Show.'
The 40-year-old actor is rocking a clean-shaven look!
After rocking chocolate brown locks for quite a while, the 33-year-old actress has gone to the lighter side.
Milo Ventimiglia already 'can't wait to get back for season three.'
The 'This Is Us' actress reminisced about her time as a 16-year-old working with Julie Andrews.
Milo Ventimiglia and executive producer Ken Olin also break down Tuesday's episode.
Mandy Moore says the next episode of the hit NBC show is 'even more heartbreaking' than the Super Bowl episode.
The actress admits that she and her co-stars were greatly affected by the emotional scenes.
The cast appeared on 'Tonight Show' following the Super Bowl to discuss Sunday's heart-wrenching episode.
