Josh Radnor Ted Mosby Actor Jason Segel Marshall Erikson Actor Alyson Hannigan Lily Aldrin Actor Neil Patrick Harris Barney Stinson Actor Cobie Smulders Robin Sherbatsky Actor Bob Saget Narrator Alexis Denisof Sandy Rivers Guest Star Ashley Williams Victoria Guest Star Cailey Blair Jones Little Girl 1 Guest Star Alyssa Shafer Little Girl 2 Guest Star Shaheed Rasheed Little Boy 1 Guest Star Lawrence A. Mandley Cab Driver 1 Guest Star Wajid Cab Driver 2 Guest Star George Cheung Korean Elvis Guest Star David Henrie Son Guest Star Lyndsy Fonseca Daughter Guest Star Carter Bays Executive Producer, Writer Craig Thomas Executive Producer, Writer Pamela Fryman Director