Mandy Moore Rebecca Pearson Actor Milo Ventimiglia Jack Pearson Actor Sterling K. Brown Randall Pearson Actor Chrissy Metz Kate Pearson Actor Justin Hartley Kevin Pearson Actor Chris Sullivan Toby Damon Actor Susan Kelechi Watson Beth Pearson Actor Ron Cephas Jones William Actor Eris Baker Tess Pearson Actor Alexandra Breckenridge Sophie Actor Faithe Herman Annie Pearson Actor Hannah Zeile Teenage Kate Pearson Actor Jon Huertas Miguel Rivas Guest Star Logan Shroyer 15 Year Old Kevin Guest Star Mackenzie Hancsicsak 10 Year Old Kate Guest Star Parker Bates 10 Year Old Kevin Guest Star Lonnie Chavis 10 Year Old Randall Guest Star Tom Lommel Lundy Co-Worker Guest Star Jason Butler Harner AA Speaker Guest Star Andrew Santino Casey Guest Star Mark Cohen Warm Up Guy Guest Star John Shelton Jewelry Store Clerk Guest Star Abigail Zoe Lewis Little Manny Girl Guest Star Ajgie Kirkland Boxing Ring Employee Guest Star Dan Fogelman Executive Producer Jess Rosenthal Executive Producer Charlie Gogolak Executive Producer John Requa Executive Producer Glenn Ficarra Executive Producer