[1] Born in Falls Church, Virginia, Vidnovic graduated from the College-Conservatory of Music (part of the University of Cincinnati) with a Bachelor of Fine Arts.
[2] Vidnovic made his Broadway debut in the ill-fated Home Sweet Homer (1976) which, following a one-year tour, closed on opening night.
Off-Broadway, Vidnovic was cast as El Gallo late in the run of the original production of The Fantasticks[7] and appeared in the 2006 revival as Bellomy.
[8] Additional off-Broadway credits include Lies and Legends: The Musical Stories of Harry Chapin (1985), Olympus on My Mind (1986),[9] and the 2003 Jerry Herman revue Showtune.
[11] Vidnovic was briefly married in the late 1970s to voice teacher Linda Wonneberger, with whom he has a daughter, the actress Laura Benanti.