Josh Radnor Ted Mosby Actor Jason Segel Marshall Erikson Actor Alyson Hannigan Lily Aldrin Actor Neil Patrick Harris Barney Stinson Actor Cobie Smulders Robin Sherbatsky Actor Bob Saget Narrator David Henrie Son Guest Star Lyndsy Fonseca Daughter Guest Star Suzie Plakson Judy Eriksen Guest Star Bill Fagerbakke Marvin Eriksen Sr. Guest Star Robert Michael Ryan Marvin Eriksen Jr. Guest Star Ned Rolsma Marcus Eriksen Guest Star Jennifer Ann Wilson Ashley Erickson Guest Star Adam Kulbersh Kendall Guest Star Elizabeth Bogush Amanda Guest Star John Bobek Clerk Guest Star Eben Ham Policeman Guest Star Tom Ayers Walter Guest Star Katie A. Keane Stripper Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Pamela Fryman Director Christopher Miller Writer Phil Lord Writer