David McCallum was first married to actress Jill Ireland on 11 May 1957 in London. The two met during production of the film Hell Drivers which provided early roles for both actors. In 1963 McCallum introduced Ireland to Charles Bronson when both were filming The Great Escape. She subsequently left McCallum and married Bronson in 1968 - Wikipedia
With her comic skills, Jill Ireland (1936 – 1990) was a frequent guest star in the Man From UNCLE series. She was Marion Raven (episodes 3 and 7), Suzanne de Serre (episode 37) and Imogen (episode 87). Ireland wrote two books about her battle with breast cancer. She and David McCallum had three children.