"Mr. Sheffield" is a character from the popular television show The Nanny, which aired from 1993 to 1999. He is portrayed by actor Charles Shaughnessy and serves as the wealthy Broadway producer and father of three children. Mr. Sheffield is known for his charming yet sometimes clueless demeanor, often finding himself in humorous situations due to his interactions with the show's main character, Fran Fine. Throughout the series, Mr. Sheffield's relationship with Fran evolves from employer-employee to romantic partners. His character embodies a blend of sophistication and vulnerability, making him a beloved figure among fans. The show highlights themes of family, love, and the comedic challenges of blending different lifestyles.