Cast of Less Than Zero

Andrew McCarthy plays Clay, a college student who returns home to Beverly Hills for Christmas break and reunites with his ex-girlfriend Blair.

Jami Gertz portrays Blair, Clay's ex-girlfriend who is still emotionally attached to him and dating his best friend Julian.

Robert Downey Jr. takes on the role of Julian, Clay's childhood friend who is struggling with drug addiction and financial troubles.

James Spader plays Rip, a drug dealer who supplies Julian with drugs and creates complications in his life.

Tony Bill portrays Bradford Easton, the father of Clay's ex-girlfriend Blair who disapproves of his daughter's relationship with Clay.

Nicholas Pryor plays Benjamin Wells, Clay's father who is concerned about his son's well-being and relationships.

Donna Mitchell portrays Elaine Easton, the mother of Blair who also disapproves of her daughter's involvement with Clay.

Michael Bowen takes on the role of Hop, a friend of Julian who gets caught up in the dangerous world of drugs and partying.

Sarah Buxton plays Markie, a socialite who is part of the wealthy and reckless social circle that Clay and his friends belong to.

Lisanne Falk portrays Patti, another member of the wealthy social group who gets entangled in the personal dramas and drug-fueled lifestyle.

Michael Greene plays Robert Wells, Clay's uncle who is a mentor figure in his life and tries to help him navigate the challenges he faces.

Neith Hunter portrays Alana, a friend of Blair who is also part of the privileged social set in Los Angeles.