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 Kal Penn Kevin Guest Star Nazanin Boniadi Nora Guest Star Alexis Denisof Sandy Rivers Guest Star Jerry Minor King Charles Guest Star Katie Gill Erika Guest Star Jacob Witkin Nora's Mom Guest Star Tahmus Rounds Guitar Man Guest Star David Neher Goatee guy Guest Star Robin Krieger Nora's Mom Guest Star Dean Chekvala Hippie Dude Guest Star Sy Smith Singer 1 Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Chris Harris Writer Pamela Fryman Director