Patty McCormack (born August 21, 1945) is an American actress.
She was born Patricia Ellen Russo in Brooklyn, New York, to Frank Russo, a firefighter and Elizabeth (McCormack) Russo, a professional roller skater. She was a model at the age of four and began appearing on television at the age of seven. She made her motion picture debut in Two Gals and a Guy (1951) and appeared in the television series Mama (aka I Remember Mama) from 1953-1956.
She briefly starred in her own series, Peck's Bad Girl, in 1959, and again, decades later, in The Ropers, an unsuccessful spinoff of Three's Company, co-starring Audra Lindley, Norman Fell and Jeffrey Tambor.
Her Broadway debut was in Touchstone (1953), followed by her most famous role, as little Rhoda Penmark, an eight-year-old psychopath and fledgling serial killer, in The Bad Seed (1954). She would go on to star in the film version (1956) and garner an Academy Award nomination for Best Supporting Actress.
As an adult with the stage name Patricia McCormack, she has continued to act in secondary roles, mostly in television with occasional film appearances. She has had recurring roles in popular television series such as Dallas, Murder, She Wrote, and The Sopranos.
She married Italian-American restaurateur Bob Catania in 1967, and they had two children before their marriage was dissolved.
Patricia McCormack is the sole surviving cast member of Orson Welles's film version of Don Quixote. The film has often been described as an unknown masterpiece. An International effort is now underway to bring together all parties and have the film released