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 Niles Fitch 15 Year Old Randall 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 Sylvester Stallone Himself Guest Star Wynn Everett Shelly Guest Star Debra Jo Rupp Linda Guest Star Kristin Minter Ms. Dobson Guest Star Lyric Ross Déjà Guest Star Gwendolyn Oliver Script Supervisor Guest Star Eli Bildner A.D. Guest Star Alejandro Barrios Slate Guy Guest Star Ron Howard Himself Guest Star Dan Fogelman Executive Producer Jess Rosenthal Executive Producer Charlie Gogolak Executive Producer John Requa Executive Producer Glenn Ficarra Executive Producer