(written from a Production point of view)
As an actor, he has appeared in multiple episodes of Daniel Boone and Batman. He has also guest-starred on such television shows as I Spy, Kung Fu (with Keye Luke), Kolchak: The Night Stalker (starring John Fiedler), The Six Million Dollar Man (with Alan Oppenheimer), The Rockford Files, Charlie Angels (including an episode with Nehemiah Persoff), Wonder Woman (with Ed Begley, Jr.), The A-Team (starring Dwight Schultz, Lance LeGault, and William Lucking), Knight Rider, MacGyver (with Bruce McGill), Hunter (with Dean Stockwell), Beauty and the Beast (starring Ron Perlman), and Tales from the Crypt. He can also be seen in numerous feature film, including 1979's Buck Rogers in the 25th Century, 1982's The Beastmaster (with Rod Loomis, Vanna Bonta, Diamond Farnsworth, Vince Deadrick Sr., Tommy J. Huff, Eddie Donno, Eddie Hice, Freddie Hice, and Chuck Hicks), 1984's The Wild Life (with Keone Young, William Bramley, Kevin Peter Hall, and Leo Penn), 1985's Runaway Train (with Tommy "Tiny" Lister, Jr., John Bloom, Loren Janes, and Don Pugsley), 1986's The Hitcher (with Armin Shimerman and Henry Darrow), 1987's Outrageous Fortune (with John Schuck and Christopher McDonald), 1989's Christmas Vacation (with Miriam Flynn), 1989's Homer and Eddie (starring Whoopi Goldberg), 1991's Suburban Commando (starring Christopher Lloyd), 1992's Freejack (with Jonathan Banks and Mike Starr), and 1993's Excessive Force (with Tony Todd, Bobby Bass, Tom Hodges, and Danny Goldring). He is also one of the many Star Trek performers to appear in 1990's Dick Tracy; among his co-stars in that film are Hamilton Camp, Seymour Cassel, Robert Costanzo, Ed McCready, Colm Meaney, Michael J. Pollard, Bert Remsen, John Schuck, Paul Sorvino, and Ian Wolfe.
Epper's primary profession, however, is that of a stunt performer. In this capacity, Epper has worked on such major films as Planet of the Apes (1968), The Wild Bunch (1969), Soylent Green (1973), Blazing Saddles (1974), The Towering Inferno (1974), National Lampoon's Vacation (1983), Lethal Weapon 2 (1989), Thelma & Louise (1991), Lethal Weapon 3 (1992), Patriot Games (1992), Bram Stoker's Dracula (1992), Waterworld (1995), Stuart Baird's Executive Decision (1996), The Rock (1996), and Con Air (1997).
Epper passed away on 21 July 2012.