Walter Matthau was born on October 1, 1920 and died on July 1, 2000. Walter Matthau would have been 79 years old at the time of death or 91 years old today.
This answer is closed to changes. This is done in rare cases when questions are being vandalized or answers have become debates. E-mail reopen @ answers.com (no spaces) if you would like it to be reopened.