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 Lindsay Sloan Jen Guest Star Alyssa Julya Smith April Guest Star Rizwan Manji Dr. Vikash Guest Star Clyde Tull Minister Giles Guest Star Molly Prather Judy Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Matt Kuhn Writer Pamela Fryman Director