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 Chris Elliott Mickey Aldrin Guest Star Dimitri Diatchenko Arvydas Guest Star Kal Penn Kevin Guest Star Milynn Sarley Ferrari Guest Star Ptolemy Slocum Larry Guest Star Matt Lasky Butterfly Knife Guest Star Carter Bays Executive Producer Craig Thomas Executive Producer Dan Gregor Writer Doug Mand Writer Pamela Fryman Director