Actors Glenn Howerton, Allison Williams and Ron Perlman are all celebrating their birthdays today, April 13.

Glenn Howerton, 39

Actor, producer and screenwriter Glenn Howerton turns 39 today. Howerton started his career with minor acting roles of the television series ER and the films Must Love Dogs, Serenity, Two Weeks and The Strangers.

Howerton starred as a doctor in the film Crank alongside Jason Statham and reprised his role for Crank: High Voltage. He later had a recurring role as Ernie Krinklesac on the animated series The Cleveland Show. He also had recurring roles on Fox's The Mindy Project and FX's Fargo.

Howerton currently plays Dennis Reynolds on the FXX comedy series It's Always Sunny in Philadelphia. He also serves as an executive producer and writer for the series. He married actress Jill Latiano in 2009 and they have two sons, Miles and Isley


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Allison Williams, 27

Actress, comedian and singer Allison Williams, daughter of journalist and news anchor Brian Williams, turns 27 today. While at Yale University, Williams was part of an improvisation group and also appeared on the YouTube series College Musical. Williams also sang "Nature Boy," the theme song for the AMC series Mad Men.

Williams also wrote a few sketches for Funny or Die where she impersonated Kate Middleton, Duchess of Cambridge. She also appeared in an episode of the FXX series The League.

Williams currently plays Marnie Michaels on the HBO series Girls. I December 2014, she had the leading role of Peter Pan on the NBC live television musical, Peter Pan Live!. Williams is currently engaged to the co-founder of CollegeHumor, Ricky Van Veen.


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Ron Perlman, 65

Television, film and voice actor Ron Perlman turns 65 today. In 1981, Perlman made his film debut in Quest for Fire. After appearing in numerous television series' and films, he gained recognition for his role of Vincent in the series Beauty and the Beast, winning a Golden Globe award for his role.

Perlman went on to star in numerous films on the big screen and in television. In 2004, he earned he leading role in the comic book film adaptation Hellboy. He reprised his role for the two animated features Hellboy: Sword of Storms and Hellboy: Blood and Iron as well as the feature film Hellboy II: The Golden Army.

Perlman joined the cast of FX's Sons of Anarchy in 2008 as Clay Morrow. He is also known for his voice work, appearing in numerous animated series' including Danny Phantom, Adventure Time, Afro Samurai, Teen Titans, Justice League, Avatar: The Last Airbender and Green Lantern: The Animated Series. Perlman has a son and a daughter with wife Opal Stone Perlman.


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