(written from a Production point of view)
Earl H. Maddox (26 October 1957 – 17 March 2013; age 55) was an actor who appeared as a male alien in the Star Trek: Voyager episode "Friendship One". As a background performer Maddox received no credit for this appearance and was identified by the name tag of his costume which was sold off on the It's A Wrap! sale and auction on eBay. 
Beside work in music videos for musicians such as Depeche Mode and commercials for products like Budweiser and Red Cross PSA, Maddox was featured in the television series The X-Files (1997), Diagnosis Murder (2001, with Eric Pierpoint and Connie Danese), Family Law (2001, with April Grace, Michelle Horn, Christopher McDonald, Salli Richardson-Whitfield, and Damara Reilly), Just Shoot Me (2003), The Bernie Mac Show, That 70's Show (2006, with Kurtwood Smith and Don Stark), and Memphis Beat (2010, with Alfre Woodard and Daniel Hugh Kelly).
His film work includes supporting and background roles in the television drama Mama Flora's Family (1998), the drama Wayward Son (1999), Sam Raimi's mystery thriller The Gift (2000, with Erik Cord), Ivan Reitman's science fiction comedy Evolution (2001), Marc Forster's drama Monster's Ball (2001), the comedy Life Without Dick (2002, with Teri Garr, Geoffrey Blake, Holmes Osborne, and Ian Patrick Williams), Sam Raimi's comic adaptation Spider-Man (2002, starring Kirsten Dunst), the television horror film Locusts (2005, with Natalia Nogulich and Mikki Val), the biopic Elvis (2005, with Eugenie Bondurant), and the war drama Faith of my Fathers (2005, with Joe Chrest and Cary-Hiroyuki Tagawa).
He also appeared in the comedy College (2008), the drama Who Do You Love (2008, with Joe Chrest), Jonathan Frakes' television sequel The Librarian: The Curse of the Judas Chalice (2008, with Bruce Davison), David Fincher's drama The Curious Case of Benjamin Button (2008, with Spencer Daniels), and the thriller The Yellow Wallpaper (2009).
More recent work includes the comic adaptation Jonah Hex (2010, with Joe Billingiere and Michael Papajohn), the horror film Abraham Lincoln: Vampire Hunter (2012, with Aaron Toney and Donna DuPlantier), the science fiction film Arachnoquake (2012, with Ethan Phillips), and the action thriller Parker (2013, with Clifton Collins, Jr., Carlos Carrasco, Sala Baker, Chuck Picerni, Jr., and Brian Oerly).
Maddox would have played a part in Quentin Tarantino's western drama Django Unchained but was unable to take the role because of his illness. He passed away of cancer at the age of 55 on 17 March 2013.