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Promises to Keep is the ninteenth episode of the fourth season of Quincy, M.E., and the fifty-sixth episode overall.
Guest Stars: Anita Gillette (Helen Quincy), Lonny Chapman, Sharon Acker (Lynne Montgomery)
Co-Starring: Peggy Rea (Mrs. Rhodes), Jane Dulo (Millie), Deborah Harmon (Judy)
Featuring: Shannon Farnon (Mrs. Thatcher), Alba Francesca (Lynne's Secretary), Randy Kirby (Phil), Marc Taylor (Marc), Peter Virgo (Pete), John Nolan (Bartender)