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 Jon Huertas Miguel Rivas Guest Star Alexandra Breckenridge Sophie Guest Star Milana Vayntrub Sloane Sandburg Guest Star Hari Dhillon Sanjay Jahiri Guest Star Sam Trammell Ben Guest Star Niles Fitch 15 Year Old Randall Guest Star Logan Shroyer 15 Year Old Kevin Guest Star Hannah Zeile 15 Year Old Kate Guest Star Eris Baker Tess Pearson Guest Star Faithe Herman Annie Pearson Guest Star Adam Bartley Duke Guest Star John Pollono Tyler Guest Star Katie Couric Herself Guest Star Julia Cho Jill Guest Star Sean Bolger Waiter Guest Star Ashli Dowling Brunette Guest Star Karen Huie Nurse Jenna Guest Star Roni Geva Mommy with Stroller Guest Star Dar Dixon Buchanan Guest Star Krys Marshall Stacy Guest Star Dan Fogelman Executive Producer Jess Rosenthal Executive Producer Charlie Gogolak Executive Producer John Requa Executive Producer Glenn Ficarra Executive Producer