Josh Radnor Ted Mosby Actor Jason Segel Marshall Erikson Actor Cobie Smulders Robin Sherbatsky Actor Neil Patrick Harris Barney Stinson Actor Alyson Hannigan Lily Aldrin Actor Cristin Milioti Tracy McConnell Actor Bob Saget Narrator Sherri Shepherd Daphne Guest Star Anna Camp Cassie Guest Star Frances Conroy Loretta Stinson Guest Star Harry Groener Clint Guest Star Cristine Rose Virginia Mosby Guest Star Roger Bart Curtis Guest Star Robert Belushi Linus Guest Star Rob Gleeson Waiter Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Pamela Fryman Executive Producer, Director Stephen Lloyd Executive Producer Chris Harris Executive Producer Chuck Tatham Executive Producer Jamie Rhonheimer Executive Producer Kourtney Kang Executive Producer Rachel Axler Writer