What is the secret to Star Wars star Mark Hamill and his wife Marilou York's 47-year marriage? Star Wars actor Mark Hamill and his wife Marilou York have been married for 47 years, and now she has revealed the secret to its success. 31 August 2025 Mark Hamill and his wife Marilou York's marriage secret is acceptance. Mark Hamill and Marilou York The dental hygienist - who tied the knot with the Star Wars actor in 1978 - also says not worrying about things that are not important is also vital for a strong relationship. Marilou told People: "Don't sweat the little stuff.