As of 2006, was working in the offices at Playboy Mansion West.
Bunny Yeager discovered Nizzari in Miami when she was 15, but only had her do bikini shots until after Joyce turned 18.
She dated Hugh Hefner for a few years following her Playmate appearance, and she worked as a Bunny at the first Playboy Club in Chicago.
She was Playboy magazine's Playmate of the Month for its December 1958 issue. Her centerfold was photographed by Bunny Yeager.
When she signed to play in Come Blow Your Horn, Nizzari had completed Chips Off the Old Block, a Barry Ashton dance revue, at the Statler Hilton in Los Angeles.
In the late 1990s, Joyce returned to the Playboy fold full-time as one of Hefner's assistants in the Playboy Mansion.
In August 1957, Nizzari won a cup awarded by the Florida Photographers Association. She was chosen queen of its annual convention.
Nizzari appears in two films starring Frank Sinatra: A Hole In The Head (1959) and Come Blow Your Horn (1963). In the latter, a Paramount Pictures release, she played a zany interpretive dancer named Snow.
She was born in The Bronx, New York and is of Italian descent.