John Slattery: Do you want to know about John Slattery? we have done a research about his net worth in 2022, hеight, wеight, age, Biography, аnd соmрlеtе dеtаil аbоut his lifеJohn Slattery real name is John M. Slattery Jr. John Slattery date of birth is August 13, 1962 and place of birth is Boston, Massachusetts, U.S. By profession he is an American actor and director. He is most known for his