Josh Radnor Ted Mosby Actor Jason Segel Marshall Erikson Actor Cobie Smulders Robin Sherbatsky Actor Neil Patrick Harris Barney Stinson Actor Alyson Hannigan Lily Aldrin Actor Bob Saget Narrator Ashley Williams Victoria Guest Star Becki Newton Quinn Garvey Guest Star Thomas Lennon Klaus Guest Star Michael Trucco Nick Petteruti Guest Star Bob Odenkirk Arthur Hobbs Guest Star Suzie Plakson Judy Eriksen Guest Star Bill Fagerbakke Marbin Eriksen Sr. Guest Star Blake Bertrand Young Marvin Eriksen Jr. Guest Star Gibson Bobby Sjobeck Young Marcus Eriksen Guest Star Carter Bays Executive Producer, Writer Craig Thomas Executive Producer, Writer Pamela Fryman Director