She later commented that although they were required to slap each other's faces, she and Lockwood were always the best of friends. Roc played the jealous rival of Margaret Lockwood. She appeared alongside two of Gainsborough's biggest stars, Margaret Lockwood and Stewart Granger in Love Story (1944), a big hit. It was a success and Gainsborough gave her another lead, as a nun interned by the Germans in Two Thousand Women (1944). Roc was top billed in Millions Like Us (1943) from Gainsborough Studios. Her parts grew bigger: My Wife's Family (1941), Suspected Person (1942), Let the People Sing (1942), and We'll Meet Again (1943) with Vera Lynn. O'Dowd (1940), Three Silent Men (1940), It Happened to One Man (1940), and The Farmer's Wife (1941). She had a bigger part in A Window in London (1940), the comedy Pack Up Your Troubles (1940), Dr. Reeder (1939), and The Missing People (1940). She had roles in The Gaunt Stranger (1939), The Mind of Mr. Roc began as a stage actress, debuting in the 1938 London production of Nuts in May, in which she was seen by Alexander Korda who gave her an uncredited bit in The Divorce of Lady X (1938) and her in a leading role as a Polish princess in The Rebel Son. Arthur Rank, who called her 'the archetypal British beauty' She achieved her greatest level of popularity in British films during the Second World War in escapist melodramas for Gainsborough Studios. She also appeared in Millions Like Us (1943), Jassy (1945), The Brothers (1947) and When the Bough Breaks (1947).

Patricia Roc (born Felicia Miriam Ursula Herold 7 June 1915 – 30 December 2003) was an English film actress, popular in the Gainsborough melodramas such as Madonna of the Seven Moons (1945) and The Wicked Lady (1945), though she only made one film in Hollywood, Canyon Passage (1946).

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