 She was a mainstay of the repertory cast of the A&E Network's "A Nero Wolfe Mystery" (2001–2002), playing no fewer than 13 highly varied roles in the course of the TV series and the pilot, "" (2000).In 2002 Guadagni made her playwriting debut with "In the Wings", adapted from the 1998 novel by Carole Corbeil, which she performed at Toronto's Theatre Passe Muraille.In 2011 an abbreviated version of her seven-character, one-person show "Hooked", written by Carolyn Smart, was part of Toronto's Summerworks Theatre Festival schedule, with performances at Theatre Passe Muraille Backspace.