Kruger's first wife was the actress Nan Munro, a widow, 16 years older than him, with three children, Donald, John and Angela. Nan and Rayne had met in South Africa in 1946 when Margaret Inglis had put on a production of Pygmalion. Nan, who was 40 and a widow with three young children, played Eliza. Rayne, despite being 17 years her junior, was Henry Higgins. Rayne became infatuated with Nan and, although she agonised about the age gap and worried that he would fall out of love with her as the years passed, they were married a year later, in 1947, and settled with him in Britain. Nan's best friend was Margarert Inglis. Their daughters Angela and Prue Leith were also best friends. While they were married, one evening in 1961, Rayne and Prue kissed, and began a 13-year secret affair. In 1973 he left Nan.