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 Michael Rupnow Scott Guest Star Nancy Travis Cheryl Guest Star Will Shadley JJ Whitaker Guest Star Marieve Herington Betty Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Dan Gregor Writer Doug Mand Writer Pamela Fryman Director