<P> By the fall of 1990, with Samantha beginning college and Jonathan in high school, Who's the Boss?, like other series getting on in years, added a new younger cast member . Producers brought in five - year - old Billy (Jonathan Halyalkar), a kid from the Micellis' old Brooklyn neighborhood, whose grandmother left Billy in Tony's care . He moved in with the Bower family in season 7 . Billy was a comic foil to Tony, but also attempted to get into the mix in other characters' storylines . He only lasted that season, however . In the E! True Hollywood Story about the series, Katherine Helmond remarked that Halyalkar was a gifted performer, but had difficulty catching up to the pace of the acting and timing the senior cast members had long established with each other . </P> <P> Frank Sinatra made a guest appearance in a 1989 episode, as well as Ray Charles, Mike Tyson and Thomas Hearns . Betty White also made a guest appearance in the first season as a local TV director . Leslie Nielsen played Max, who was engaged to Mona in a 1988 episode . Matthew Perry played Benjamin Dawson, a roommate of Samantha's in a 1990 episode . </P> <P> Who's the Boss? was created by television producers and business partners Martin Cohan and Blake Hunter in 1983 . In early development, the series was titled You're the Boss, in reference to Angela employing Tony and the gender role reversal . Before the fall 1984 premiere, the producers changed it to Who's the Boss?, an open ended title which hinted that any one of the leads could get their own way and be the "boss". Unlike Danza, who had served as the Tony prototype from the beginning, Judith Light was one of many who auditioned for the role of Angela . She was eventually cast based on her performance, which Hunter commented as "class (...) Jean Harlow type, or more of a Meryl Streep ." The character of Mona was initially created as an older sister to Angela, but as Cohan and Hunter struggled to handle the casting of the role, they decided on re-writing the role into "a free spirit with a quick tongue," who they envisioned Katherine Helmond to play . Danny Pintauro and Alyssa Milano were also cast based on their auditions . </P> <P> The series' pilot was shot in November 1983, a full 10 months before the show actually went on the air . ABC originally was planning to put it on mid-season in January 1984, but due to creative differences between the producers and the network, the show was delayed until the next season . The show debuted on September 20, 1984 . While the show was shelved for an extended amount of time in early 1984, Danza was arrested for fighting in a New York bar after a fellow patron made a rude remark about his female companion . A few months later, Who's the Boss? resumed taping . During his court date that July, Danza faced a choice of jail time or community service as a result of battery and other charges . Danza opted for community service, which was still ongoing when the series premiered . </P>

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