Tom Cruise was 26 years old during the release year of Rain Man (1988).

Quick Scoop: How old was Tom Cruise in Rain Man?

  • Tom Cruise was born on July 3, 1962.
  • Rain Man was released in 1988, making him 26 years old that year.
  • Depending on the exact filming dates, he would have been about 25–26 while actually shooting the movie.

In simple terms: Tom Cruise was in his mid‑twenties, about 26, when Rain Man came out.

Note: Information gathered from public data available on the internet and portrayed here.