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 Shulie Cowen Andrea Guest Star Meagen Fay Janice Aldrin Guest Star P.J. Marino Bartender Guest Star David Burtka Scooter Guest Star Rachelle Wood Woman Guest Star Joe Manganiello Brad Morris Guest Star Candice King Amy Guest Star Michael Mantell Ben Guest Star Thomas Bethke Gardener Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Greg Malins Writer Pamela Fryman Director