How old was Cary Grant in Walk Don't Run?

It's common to wonder how old a celebrity was when they starred in a particular film. That knowledge can reshape how we view their performance. Here’s the answer to that particular curiosity.

During the filming of Walk Don't Run, Cary Grant was:

61 years old

After checking the dates, that’s the calculated age of the celebrity.

The shown age corresponds to the celebrity’s age at the very start of the release year of Walk Don't Run:

January 1, 1966

And the day in which Cary Grant was born:

January 18, 1904

Given that most films are released within a year of production, the actual age of Cary Grant during filming may have varied by one year from the shown age.