The tall, dark Lindfors began her career on the Swedish stage while still a student at the Royal Dramatic Theater in Stockholm. She was featured in several films her native country (notably "The Spinning Family" 1940 and "In Paradise" 1941) before embarking on a Hollywood career. Lindfors played Queen Margaret opposite Errol Flynn in "The Adventures of Don Juan" (1948) and went on to co-star with Ronald Reagan in "Night Unto Night" (1949), directed by her third husband Don Siegel, and "Four in a Jeep" (1951) opposite Ralph Meeker. Typical of Hollywood, many compared Lindfors' elegant