She was romantically involved with writer/producer Michael Powell, who was responsible for her early stardom in the late 1940s. He was named as co-respondent when she was divorced from her husband, former pilot USAAF pilot John Daniel Bowen, in 1950. She later became friendly with Powell's third wife, the Oscar-winning film editor Thelma Schoonmaker.
[on her film debut] While I was still at the Old Vic Drama School I came up to London to try and find an agent; I met John Gliddon, who was Deborah Kerr's agent, and he sent me to see the people who were doing The Young Mr. Pitt (1942). They gave me a part and, after that, I used to go around saying 'I had two lines opposite Robert Donat!'. I did very little after that because of the war and I was working for censorship.