How old was Michael Biehn in Grease?

Have you ever watched a movie and found yourself curious about a celebrity’s age at the time? It can shift our perspective on their journey and achievements. Here’s the age that matched the moment.

Michael Biehn was this age when he appeared in Grease:

21 years old

Our analysis shows that this was the celebrity’s true age during filming.

To determine the age, we considered the first day of the year Grease premiered:

January 1, 1978

And the day in which Michael Biehn was born:

July 31, 1956

As films generally take less than a year from filming to release, the age of Michael Biehn during production could differ by a year from what’s shown.