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 Sarah Wright Claire Guest Star Eva Amurri Martino Shelly Guest Star Raquel Alessi Roberta Guest Star Katie Malia Christy Guest Star Jaime Taite Christina Guest Star Kim Knight Tricia Guest Star Jannel Diaz Chris Guest Star Nicole Foster Callahan Girl Guest Star Carter Bays Executive Producer, Writer Craig Thomas Executive Producer, Writer Pamela Fryman Director