[Update, 6:19 p.m.] Read the full story by CNN.com's Todd Leopold.
[Update, 6:06 p.m.] Culp, 79, appeared in dozens of television shows over the past 50 years, including 82 episodes of the "I Spy" series. He also had a long list of credits as a TV director and screenwriter.
His last reoccurring role was on "Everybody Loves Raymond," in which he appeared between 1996 and 2004, according to the Internet Movie Database.
A native of Berkeley, California, he moved in 1951 to New York, where he got his first professional acting jobs, according to the biography on his official Web site.
His five marriages produced five children and five grandchildren, his Web site says.
[Posted, 5:50 p.m.] Actor Robert Culp died after falling and hitting his head in a Los Angeles park Wednesday, his publicist said.
- CNN's Jack Hannah contributed to this report.