"Spock's Brain" is the third season premiere episode of the American science fiction television series Star Trek. Written by Gene L. Coon and directed by Marc Daniels, it was first broadcast on September 20, 1968.

Marjorie Ellen Mahoney Dusay was an American actress known for her roles on American soap operas. She was especially known for her role as Alexandra Spaulding on Guiding Light, a role she played on and off from 1993 through the show's 2009 cancellation, as well as Jean Faircloth MacArthur, the wife of Douglas MacArthur, in the 1977 movie MacArthur.