Cast of Joan Rivers: A Piece of Work

Joan Rivers portrays herself in the movie, providing an intimate and revealing look into her life and career.

Melissa Rivers appears as herself, offering personal insights as the daughter of the legendary Joan Rivers.

Kathy Griffin brings her unique comedy and perspective to the screen in her role as herself, contributing to the candid portrayal of the entertainment industry.

Don Rickles appears as himself, bringing his legendary comedic talents to the documentary and offering his own perspective on the entertainment world.