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 Katey Sagal Lanie Schultz Guest Star Brad Garrett Wes Manning Guest Star Jon Huertas Miguel Rivas Guest Star Mackenzie Hancsicsak 8 Year Old Kate Guest Star Parker Bates 8 Year Old Kevin Guest Star Lonnie Chavis 8 Year Old Randall Guest Star Faithe Herman Annie Guest Star Eris Baker Tess Guest Star Caitlin Thompson Madison Guest Star Jill Johnson Laurie Guest Star Sergio Enrique Hector Guest Star Lak Rana Brian Guest Star Yimmy Yim Marsha Guest Star Dan Fogelman Executive Producer Jess Rosenthal Executive Producer Charlie Gogolak Executive Producer John Requa Executive Producer Glenn Ficarra Executive Producer