Photo: CBS

How the Cast of How I Met Your Mother Aged from the First to Last Season

From hanging out at MacLaren's to navigating the ups and downs of relationships, viewers laughed along while watching the cast of How I Met Your Mother for nine hilarious seasons. From the first season dropping in 2005 to the ninth season premiering in 2013, the cast aged right along with Ted Mosby and his best friends.

How old is the cast of How I Met Your Mother? Josh Radnor was 31 when he introduced the world to Ted Mosby during season one of How I Met Your Mother. He starred on the CBS series for all nine seasons, which ended when he was 40. From ages 23 to 32, Colbie Smulders played Robin Scherbatsk on all nine seasons of How I Met Your Mother.

The 32 year old Neil Patrick Harris first suited-up for his role as Barney Stinson in How I Met Your Mother's first season premiering in 2005. Alyson Hannigan was 31 when she played Lily in season one and Jason Segel portrayed Marshall from ages 25 to 34.

Which HIMYM cast member do you think changed the most in nine seasons? Once you're done looking back on this great series, you can also find something new to watch with our list of shows like How I Met Your Mother.

Photo: CBS