Katherine Scottie MacGregor, a talented actress, is famously recognized for her captivating portrayal of the complex and multifaceted character, Mrs. Harriet Oleson, on the beloved television series Little House on the Prairie, which premiered in 1974.
However, it's worth noting that Katherine Scottie MacGregor was unable to appear in the final feature-length episode, "The Last Farewell," due to her commitment to a spiritual pilgrimage in India at the time.
Prior to relocating to Los Angeles in 1970, MacGregor had a thriving career as a stage actress, performing in a variety of productions on and off Broadway, as well as in regional theatre, in and around New York City.