How I Met Your Mother

Josh Radnor portrays the lead character, Ted Mosby. Ted is an architect who is determined to find the love of his life and settle down. He is known for his romantic nature and his search for 'the one' throughout the series.

Neil Patrick Harris portrays the character Barney Stinson. Barney is a womanizing, yet lovable character known for his catchphrases, elaborate schemes, and love for suits. He provides comic relief and plays a central role in the group of friends.

Jason Segel plays Marshall Eriksen, Ted's best friend. Marshall is a laid-back and caring character who is also an aspiring lawyer. He is known for his strong relationship with his wife, Lily, and his love for quirky hobbies like making charts and graphs.

Alyson Hannigan portrays Lily Aldrin, Marshall's wife and Ted's close friend. Lily is an artist and a kindergarten teacher with a bubbly personality. She is known for her strong-willed nature and her relationship with Marshall, which is often portrayed as a perfect example of a healthy couple.

Cobie Smulders plays the character Robin Scherbatsky, who is a television news anchor and Ted's love interest. Robin is assertive, independent, and has a complicated but enduring relationship with the other characters. She is known for her strong personality and her love for Canada.

Cristin Milioti portrays Tracy McConnell, the titular 'mother' of the show. Tracy is a kind-hearted and free-spirited woman who eventually becomes Ted's wife. Although her character is introduced later in the series, she plays a crucial role in the storyline and the overall narrative.

Mandy Moore guest stars as Amy, a love interest of Ted Mosby. Amy is an outgoing and adventurous woman who briefly dates Ted in one of the show's story arcs.

Ron Butler plays the character Proctor, a minor recurring character in How I Met Your Mother. Proctor is a co-worker of Marshall's and is known for his quirky and eccentric personality.