Danny DeVito and Rhea Perlman
10/08/2012 AT 12:15 PM EDT
Danny DeVito and Rhea Perlman – one of Hollywood's most enduring couples – are separating after 30 years together, their rep confirmed to PEOPLE.
The It's Always Sunny in Philadelphia
actor, 67, and the former Cheers
actress, 64, tied the knot in 1982.
Together, the couple founded Jersey Films, a production company that produced films including Pulp Fiction
and Garden State
DeVito and Perlman have three children, Daniel, 25, Grace, 27, and Lucy, 29.
was the first to report news of the split.
– Elizabeth Leonard and Maggie Coughlan