Seinfeld cast ages: How old was the cast then (and now)?

The Cast of Seinfeld (Photo by David Turnley/Corbis/VCG via Getty Images)
The Cast of Seinfeld (Photo by David Turnley/Corbis/VCG via Getty Images) /

When you think of classic sitcoms from the ’90s, a few come to mind: Friends, Frasier, Everybody Loves Raymond, Living Single, and so many others. Perhaps one of the most influential comedy series of that era was Seinfeld, a show that’s been beloved since the day it ended.

The series centers on comedian Jerry Seinfeld, a fictionalized version of the actual Jerry Seinfeld, and was created by the comedian and Curb Your Enthusiasm star and creator Larry David. Although it’s been described as a “show about nothing,” Seinfeld has explained the sitcom as how a comedian gets his material. It’s a recipe that worked wonders.

May 14, 2023 marks the 25th anniversary of Seinfeld’s series finale, having bid farewell with a landmark final episode in 1998. To this day, fans are still watching and loving the series, and new audiences continue to discover the series each year. But what are (and were) the Seinfeld cast ages?

Seinfeld cast ages then and now

Let’s rewind to the past and catch up to the present. How old was the cast of Seinfeld back when the show was on air in the ’90s compared to their characters, and how old are they now? Here are the Seinfeld cast ages!

How old was Jerry Seinfeld in Seinfeld?

Jerry Seinfeld was born on April 29, 1954, meaning the actor, writer, and comedian will turn 69 years old in April 2023. When the series first premiered in July 1989, he was 35 years old, tracking with the age of his character of the same name. When the series ended after nine seasons in May 1998, Seinfeld as 44 years old. He won one Emmy Award for his work on the sitcom. A number of his comedy specials and his series Comedians in Cars Getting Coffee are on Netflix.

How old was Julia Louis-Dreyfus in Seinfeld?

Julia Louis-Dreyfus was born on Jan. 13, 1961, which makes the Emmy-winning Veep star 62 years old in 2023. When Seinfeld premiered in July 1989, Louis-Dreyfus was 28 years old, and when she finished her role as Elaine Benes in 1998, she was 37. Elaine has been predicted to be about the same age as her portrayer. She won one Emmy Award for her performance as Elaine, but went on to win another for The New Adventures of Old Christine and multiple Emmys for Veep.

How old was Jason Alexander in Seinfeld?

Jason Alexander was born on Sept. 23, 1959, making the George Costanza actor 63 years old as of April 2023. George and Jerry were the same age in the series. In 1989 when Seinfeld premiered, Alexander was 30 years old, and he was almost 40 when the series ended in 1998. Alexander was nominated for seven Emmy Awards for his role in the sitcom.

How old was Michael Richards in Seinfeld?

Michael Richards was born on July 24, 1949, making the Kramer actor 73 years old as of April 2023 and the oldest member of the Seinfeld core four main cast. When the series premiered in 1989, Richards was 40 years old, and when the series ended nine years later, he was nearing 50 years old. He won three Emmy Awards for his portrayal of Kramer.

How old was Wayne Knight (Newman) in Seinfeld?

Wayne Knight was born on Aug. 7, 1955, making the Newman actor 67 years old as of April 2023. When Knight first appeared as the sitcom’s main antagonist in season 3 episode 15 in 1992, Knight was 37 years old, and when he made his last appearance in the 1998 series finale, he was 43 years old. Wayne Knight also starred in the NBC sitcom 3rd Rock from the Sun.

All nine seasons of Seinfeld are currently available to watch on Netflix.

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