It's Kate and Toby's wedding! Wedding planners Kevin and Randall struggle to pull off the big day; Kate is flooded with memories of Jack; Deja struggles to adjust to her new living situation.
- Milo Ventimiglia as Jack Pearson
- Mandy Moore as Rebecca Pearson
- Justin Hartley as Kevin Pearson
- Chrissy Metz as Kate Pearson
- Sterling K. Brown as Randall Pearson
- Susan Kelechi Watson as Beth Pearson
- Chris Sullivan as Toby Damon