(written from a Production point of view)
Don Rutherford (born 4 October 1943; age 80) is the actor who portrayed Socrates in the Star Trek: Voyager third season episode "Darkling". He received no credit for this appearance but is listed on the call sheet for the episode.
Rutherford is a member of the Screen Actors Guild, the American Federation of Television and Radio Artists, Actors' Equity, and the American Guild of Variety Artists. He is also a musician and, as such, is a member of the American Federation of Musicians and the American Guild of Musical Artists. [1](X)
Besides Star Trek, Rutherford appeared in an episode of the series Vengeance Unlimited (1999) along with fellow Star Trek alumni Karen Austin, James Avery, Jennifer Hetrick, Leslie Hope, Ken Jenkins, Clyde Kusatsu, Raphael Sbarge, and Michael Buchman Silver, and in episodes of Profiler, Silk Stalkings, Arrest & Trial (2001, along David Jean Thomas), and Murder Live.
His feature film resume includes supporting and featured parts in the comedy Jingle All the Way (1996), Amistad (1997, with Victor Rivers, David Paymer, Castulo Guerra, and Harry Groener), The Lost World: Jurassic Park (1997), Air Force One (1997), Wag the Dog (1997, with Kirsten Dunst), as Captain Smith in the television documentary Titanic: Secrets Revealed (1998, with Lou Slaughter), the crime drama Wicked Sins (2002), Catch Me If You Can (2002), The Terminal (2004, with Zoe Saldana, Jude Ciccolella, Michael Nouri, and Justin Rodgers Hall), and The Life He Chose (2005).