Tabori was born in Malibu, California, the son of American film director Don Siegel and Swedish-American actress Viveca Lindfors.
[4] He started his career as a stage actor in his teens in the late 1960s, and during the 1970s he appeared in many films, including John and Mary (1969), Pigeons (1971), Making It (1971), Journey Through Rosebud (1972) and Girlfriends (1978).
The majority of his work, however, was in television drama, beginning with a notable role (Bert) in the TV film of Arthur Miller's A Memory of Two Mondays (1971).
During the latter two decades, Tabori appeared in dozens of guest roles in many of the medium's most popular network shows, including Owen Marshall: Counselor at Law; Cannon; Marcus Welby, M.D.
; The Rookies; The Streets of San Francisco; The Rockford Files; Barnaby Jones; Murder She Wrote; Tour of Duty; and TV miniseries including QB VII, Seventh Avenue, Brave New World and Strong Medicine.
In 2012, he also voiced the main villain character the Lord Regent Hiram Burrows in a popular stealth action adventure video game Dishonored.