Jeffrey P. DeMunn (born April 25, 1947) is an American stage, film and television actor known for playing Captain Esteridge in The Hitcher (1986), Sheriff Herb Geller in The Blob (1988), Andrei Chikatilo in Citizen X (1995), Harry Terwilliger in The Green Mile (1999), Ernie Cole in The Majestic (2001), Dan Miller in The Mist (2007), Dale Horvath in The Walking Dead (2010–2012), and Charles Rhoades Sr. in Billions (2016–present).

Early life
DeMunn was born in Buffalo, New York, the son of Violet (née Paulus) and James DeMunn, and a stepson of actress Betty Lutes DeMunn. He graduated from Union College with a Bachelor of Arts in English.