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

Ranker TV
Updated March 26, 2020 38.8k views 16 items

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?

Josh Radnor is listed (or ranked) 1 on the list How the Cast of How I Met Your Mother Aged from the First to Last Season
Photo: How I Met Your Mother/CBS

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.

After HIMYM concluded, Radnor starred in a pair of short-lived dramas, Mercy Street and Rise.

Age: 44

Birthplace: Columbus, Ohio, United States of America

Cobie Smulders is listed (or ranked) 2 on the list How the Cast of How I Met Your Mother Aged from the First to Last Season
Photo: How I Met Your Mother/CBS

From ages 23 to 32, Colbie Smulders played Robin Scherbatsk on all nine seasons of How I Met Your Mother.

More recently Smulders has joined the Marvel Universe appearing in such films as Avengers: Age of Ultron, Avengers: Infinity War, and Avengers: Endgame.

Age: 36

Birthplace: Vancouver, Canada

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Neil Patrick Harris is listed (or ranked) 3 on the list How the Cast of How I Met Your Mother Aged from the First to Last Season
Photo: How I Met Your Mother/CBS

At 32 years 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. He starred on the show for the next nine years.

In 2014, Harris won a Tony Award for his role in Hedwig and the Angry Inch.

Age: 45

Birthplace: Albuquerque, USA, New Mexico

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Alyson Hannigan is listed (or ranked) 4 on the list How the Cast of How I Met Your Mother Aged from the First to Last Season
Photo: How I Met Your Mother/CBS

Alyson Hannigan portrayed Lily Aldrin on all nine seasons of How I Met Your Mother, from the time she was 31 to 40.

Hannigan was a TV star long before HIMYM as she previously appeared in the main cast of Buffy the Vampire Slayer.

Age: 44

Birthplace: Washington, D.C., United States of America

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