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 James Van Der Beek Simon Tremblay Guest Star Lin-Manuel Miranda Gus Guest Star Camille Guaty Lisa Guest Star Marcia Ann Burrs Old Lady Guest Star Alfred Rubin Thompson Thug Guest Star Christopher Darga Bus Driver Guest Star Michael C. Mahon Grumpy Man Guest Star Carter Bays Executive Producer, Writer Craig Thomas Executive Producer, Writer 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