Olin is a four-letter crossword solution for the term Actor Ken or Lena. Olin is the surname of two American actors, Ken Olin and Lena Olin. Ken Olin is an actor, director, and producer best known for his roles in thirtysomething, Brothers & Sisters, and This Is Us. Lena Olin is a Swedish actress who has appeared in films such as Chocolat, The Unbearable Lightness of Being, and Romeo Is Bleeding.