Len Felber (18 April 1915 – 28 September 2003; age 88) was an actor who appeared as an Ekosian SA official in the Star Trek: The Original Series second season episode "Patterns of Force". He received no credit for this appearance.
Felber was a motorcycle police officer who began appearing in movies as an extra in the 1960s. He can be seen in episodes of series like Ben Casey (with Paul Lambert, directed by Leo Penn), My Favorite Martian (starring Ray Walston, featuring Paul Sorensen), Bonanza (with Phillip Pine, Cal Bolder, Bruce Mars, Walter Bacon, Rudy Doucette, Joe Garcio, Joseph Glick, Robert Strong, and Max Wagner), Batman, Judd for the Defense (with Byron Morrow), Night Gallery, Columbo, Gunsmoke, Kojak, Barbary Coast (starring William Shatner), Starsky & Hutch (starring David Soul, featuring Graham Jarvis, John Blower, Robert Hitchcock, Monty O'Grady, and Frieda Rentie), Fantasy Island (starring Ricardo Montalban, featuring John Schuck, Gilbert Green, and Monty O'Grady), Hart to Hart, Lou Grant, and Murder, She Wrote.
Felber appeared as a reception guest in The Naked Gun: From the Files of Police Squad! (1988, with Ricardo Montalban, Raye Birk, Tiny Ron, Nicholas Worth, Lawrence Tierney, Brett Bartlett, Rick Seaman, Mark Holton, Jim Painter, John Copage, Michael Moorehead, Eddie Hice, Robert Herron, Larry Robb, Anthony Giger, Gene Poe, George Sasaki, Joel Schultz, Michael Wilkinson, Faith Burton, Leslie Hoffman, John Blower, Joey Banks, Debra Dilley, Bruce Dobos, Mike Paciorek, Tom Morga, Randy James, Allan Graf, Bruce Barbour, Nick Dimitri, Terry Jackson, Gene LeBell, Carey Loftin, Jimmy Ortega, Mary Peters, Rick Sawaya, Brian J. Williams, and Harry Wowchuck).