Sebastian Chacon was born in New York City. After graduating from New York University, he began acting in the theatre, performing in venues such as The Duke on 42nd, Cherry Lane, and The Public Theater.
He got his first TV role as Stevie Boy in
The Get Down (2016), where he initially had no part written and improvised all of his lines. Over the next few years, he continued to guest star in many shows such as
Mr. Robot (2015),
Pose (2018), and
Narcos (2015).
In 2020, he portrayed the slick gangster Fly Rico in the Showtime television series
Penny Dreadful: City of Angels (2020).
In February of 2020, Chacon joined the cast of the Amazon Video series
Daisy Jones & The Six (2023) as the band's affable drummer, Warren.