In 1999, he was nominated for a Screen Actors Guild award for his work in the film Life Is Beautiful. The category was Outstanding Performance by a Cast in a Theatrical Motion Picture.
In 1981, he failed as host of the dubious Astro-Show on German television, which was cancelled after only five shows. In the show, the popular astrologer Elizabeth Tessier had been at his side.
During the filming of The Magnificent Seven, he accidently shot himself with a blank in his left thigh. This left him with a large bruise for several weeks.
He was married to Myriam Bru from December 7, 1958 until his death on March 3, 2003. They had two children, Christopher Buchholz (b. 1962) and Beatrice Buchholz.
Steve McQueen always resented the fact that he was cast as Chico, a role he had wanted, in The Magnificent Seven. It was a source of great contention between them during filming.