Karl Glusman as Sergei | Devs on FX
Karl Glusman stars as “Sergei.” Sergei is an AI Coder at the technology company Amaya, and Lily’s boyfriend.
Katie is a gifted quantum physicist tapped by Forest to be his second in command at Amaya.
Lily is a software engineer who works at Amaya, a cutting-edge tech company. She comes to suspect her employer may be responsible for the death of her boyfriend.