A successful businessman in his forties who runs a lucrative advertising agency and is deeply involved with Cleo. He grapples with personal demons while trying to maintain a stable exterior, often relying on drinking.

A 38-year-old woman known for her intelligence and wit, whose stable upbringing contrasts with the tumultuous lives of Frank and Cleo. She offers insight and stability and forms a meaningful connection with Frank.

Frank’s best friend, known for his striking looks and capitalist success, who struggles with maintaining long-term relationships. His lifestyle reflects a superficial approach to love and commitment.

A kind and successful restaurateur and friend to Frank and Cleo, who has faced personal loss and challenges. He embodies resilience and provides moral guidance to those around him.

Frank’s beautiful younger half-sister, an aspiring actress dealing with the pressures of New York City and her reliance on Frank. She navigates personal issues, including her health and identity within her social circle.

One of Cleo’s closest friends, who navigates his sexuality and familial estrangement amidst personal wealth. He struggles with feeling abandoned and turns to partying as a coping mechanism.