Is Jason Segel A-List?
No — Jason Segel is currently ranked B tier — a well-known figure with a strong career but not quite a household name.
Reached A-list in 2008
Forgetting Sarah Marshall
Lost A-list status in 2012
Dropped to B tier — This Is 40 Role
Ranking Timeline
Freaks and Geeks Debut
Appears in 'Freaks and Geeks,' gaining early experience under Judd Apatow.
How I Met Your Mother
Stars as Marshall Eriksen in 'How I Met Your Mother', achieving mainstream success.
Forgetting Sarah Marshall
Stars in and writes 'Forgetting Sarah Marshall', achieving box office success.
The Muppets Success
Writes and stars in 'The Muppets', a critical and commercial hit.
This Is 40 Role
Appears in 'This Is 40', continuing his film career.
Sex Tape Release
Stars in 'Sex Tape', maintaining his presence in comedies.
Successful Comedian
Continues to act, write, and produce successful comedies, maintaining a strong career.
Last updated: February 25, 2026