How I Met Your Brother Brogan Seth Peterson Exclusive -

, who joined the cast to round out the ensemble.

Exclusive: Behind the Scenes of "How I Met Your Brother" Starring Brogan and Seth Peterson how i met your brother brogan seth peterson exclusive

This project has taken on a poignant significance following the sudden passing of Seth Peterson (born Adam Aguirre) in March 2026 at the age of 28. Peterson was a rising star who first debuted with Helix Studios in 2020 and quickly became a fan favorite, earning several award nominations for his work. , who joined the cast to round out the ensemble