Rubin Knight is an actor who appeared as a Starfleet admiral in the Star Trek: Voyager fifth season episode "In the Flesh". He later appeared as a Terellian delegate in the seventh season episode "Drive". Knight received no credit for this appearances but was identified by the call sheets of the episodes.
Other acting work includes the action thriller Judge and Jury (1996, with Bob Minor, Vince Deadrick, Jr., Chris Doyle, Tony Epper, Kim Robert Koscki, Gene LeBell, Spiro Razatos, Jeff Smolek, and Erik Stabenau), the comedy Senseless (1998, with Jenette Goldstein, Brad Dourif, Richard McGonagle, Greg Grunberg, Alexander Enberg, Manu Intiraymi, Ivar Brogger, Cyia Batten, Jack Shearer, John Wilkie, Bruce Dobos, Janet Dey, Len Costanza, and Andray Johnson), and the NYPD Blue episode "Moving Day" (2005, with Gordon Clapp, Bill Smitrovich, John Thaddeus, Rosemary Forsyth, Keone Young, and Jeff Austin).