John Epper, 86, a veteran stunt man who doubled for Errol Flynn, Gary Cooper and Henry Fonda, died Dec. 3 in his Friendly Valley, Calif., home.Epper’s movie credits include “Spartacus,”"The War Lord,”"Cheyenne Autumn, “”The Bride Wore Boots,”"How the West Was Won” and “She Wore a Yellow Ribbon.” He doubled for Cooper in “Springfield Rifle,” for Flynn in “The Charge of the Light Brigade” and for Henry Fonda in “Fort Apache.” Epper was born in Switzerland and came to the United States in 1927. A master horseman, he worked as a trainer and riding instructor before beginning his motion picture career as a stunt man in the 1930s. He retired in 1969. He is survived by his wife of 57 years, Frances; three sons, Andy, Gary and Tony; three daughters, Margo Story, Jeanne Kimick and Stephanie Epperson; and 14 grandchildren. All of Epper’s children and seven of his grandchildren are stunt performers. A funeral is planned for 1:30 p.m. today at Oakwood Memorial Park in Chatsworth. In lieu of flowers, the family requests that donations be made to the John Epper Memorial Fund at the Screen Actors Guild.