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 John Lithgow Jerry Whitaker Guest Star Riley Thomas Stewart Young Barney Guest Star Cristina Rosas Penny Guest Star Michael Trucco Crush Guest Star Kelly Curran Mindy Guest Star Jill Basey Mrs. Perkins Guest Star Will Shadley JJ Whitaker Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Chris Harris Writer Pamela Fryman Director