Josh Radnor Ted Mosby Actor Jason Segel Marshall Erikson Actor Neil Patrick Harris Barney Stinson Actor Alyson Hannigan Lily Aldrin Actor Cobie Smulders Robin Sherbatsky Actor Bob Saget Narrator Charlene Amoia Wendy Guest Star Will Sasso Doug Martin Guest Star Ethan Dizon Ben Guest Star Davis Cleveland Andy Guest Star Ned Rolsma Marcus Eriksen Guest Star Robert Michael Ryan Marvin Eriksen Jr. Guest Star Katie Morris Amanda Guest Star Sarah Michell Campbell Esmerelda Guest Star Jess Rowland Guy 1 in Booth Guest Star Ryan Freeman Guy 2 in Booth Guest Star Khary Payton Guy 3 in Booth Guest Star Courtney Ray Geigle Guy 1 Guest Star Andy Hoff Guy 2 Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Theresa Mulligan Rosenthal Writer Pamela Fryman Director