Bo Burnham, Jason Segel come aboard HBO's 1980s LA Lakers series     

Bo Burnham of Promising Young Woman fame and actor Jason Segal are the latest additions to the cast of HBO's upcoming series about the basketball team Los Angeles Lakers of the 1980s. The yet-untitled project hails from Adam McKay, known for films like Vice and The Big Short.

The series is based on Jeff Pearlman's non-fiction book Showtime: Magic, Kareem, Riley, and the Los Angeles Lakers Dynasty of the 1980s.

The drama will follow the professional and personal lives of the 80s era Lakers, one of the sports' most revered and dominant teams, in what came to be called the 'Showtime Era'.

Burnham, who is regarded as one of the best basketball players of all time, will essay the role of Boston Celtics star Larry Bird. Having played his entire professional career for the Celtics, he helped lead the team to three NBA Championships. His time with the team included a legendary rivalry with the Lakers.

Segel will appear as Paul Westhead, who is described as a Shakespeare professor. He leaves grading papers behind to be assistant coach of the Lakers. 

The show also stars John C Reilly, Jason Clarke, Quincy Isaiah, Solomon Hughes, and Adrien Brod.

McKay is attached to direct and executive produce the pilot episode of the series. Max Borenstein has penned the script and will also serve as executive producer.