Kramer vs. Kramer is a 1979 American legal drama written and directed by Robert Benton, based on Avery Corman's 1977 novel of the same name. The film stars Dustin Hoffman, Meryl Streep, Justin Henry and Jane Alexander. It tells the story of a couple's divorce, its impact on their young son, and the subsequent evolution of their relationship and views on parenting.

The Academy Award for Best Actor is an award presented annually by the Academy of Motion Picture Arts and Sciences (AMPAS). It has been awarded since the 1st Academy Awards to an actor who has delivered an outstanding performance in a leading role in a film released that year. The award is traditionally presented by the previous year's Best Actress winner.