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William Petersen

Photo: Shane Saunders, CC BY 3.0, via Wikimedia Commons

Actor

William Petersen

American actor

William Petersen is 73 years old, born on February 21, 1953 in Evanston.

Next birthday in 108 days, turning 74.

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Born
February 21, 1953, Evanston
Age
73
Zodiac sign
Pisces
Country
United States
Known as
Actor

Official links: Wikipedia

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William’s birthday, by the numbers

  • William Petersen was born on a Saturday.
  • William Petersen has been alive for about 26,920 days.
  • Their 30,000-day milestone falls on April 12, 2035.
  • Their next birthday, turning 74, is on a Sunday.
  • Next milestone: William Petersen turns 75 on February 21, 2028, in 1 year and 3 months. More milestone birthdays
  • William Petersen is younger than 865 and older than 5,981 of the living celebrities on CFOTD.
  • Half birthday: August 21. Birthstone: Amethyst.
  • William Petersen belongs to Baby Boomers.

Age gaps

Born within weeks of William

Teresa TengSinger · January 29, 1953ZicoSoccer player · March 3, 1953Isabelle HuppertActor · March 16, 1953Jim JarmuschFilm director · January 22, 1953Chaka KhanSinger · March 23, 1953Mary SteenburgenActor · February 8, 1953

Days and weekdays are worked out from the birth date. Compare William’s age with anyone.

Share William Petersen’s birthday, February 21?Make something for yourself or a birthday friend.
🏅Birthday certificateAdd a name, download a PDF or image🎂Printable birthday pageA free one-page PDF for February 21⭐Birthday twin cardA square card to share

Also born on February 21

All →
Corbin BleuActor · Age 37Elliot PageActor · Age 39Riyad MahrezSoccer player · Age 35Alan RickmanActor · (1946 to 2016)Jennifer Love HewittActor · Age 47Phil JonesSoccer player · Age 34

Also born in 1953

All →
Pierce BrosnanActor · May 16Cyndi LauperSinger · June 22Kim BasingerActor · December 8Teresa TengSinger · January 29John MalkovichActor · December 9ZicoSoccer player · March 3

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Birth dates and details from Wikidata (checked October 15, 2026, newest names added October 27, 2026). Ages update every day. Photos are freely licensed and credited on each profile. How we build this site · Report a mistake

Frequently asked questions

How old is William Petersen?

William Petersen is 73 years old, born on February 21, 1953 in Evanston.

What is William Petersen’s zodiac sign?

Pisces, born February 21.