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 David Henrie Son Guest Star Lyndsy Fonseca Daughter Guest Star Arielle Vandenberg Mary Guest Star Meiko Hillman Stephanie Actor Terrell Lee Bouncer Guest Star Hope Riley Attractive Brunette Guest Star Ryan Burnham Bartender 1 Guest Star Matthew Hatchette Bartender 2 Guest Star Vanessa Lachey Ashlee Guest Star Nicole Muirbrook-Wagner Woman Guest Star Brian Letscher Angry Guy Guest Star Carter Bays Executive Producer, Writer Craig Thomas Executive Producer, Writer Pamela Fryman Director