Complex sentence: Debuting in Burt Balaban's 1961 film, "Mad Dog Coll", Hayward had a brief, uneventful acting career, although she made a memorable performance in the "Twilight Zone" episode "The Masks" in March 1964.
Split into simpler sentences: Debuting in Burt Balaban's 1961 film, "Mad Dog Coll", Hayward had a brief acting career. She made a memorable performance in the "Twilight Zone" episode "The Masks" in March 1964.