Richard Dean Anderson (born 1950) was reportedly considered for the role of Commander Benjamin Sisko. (citation needed • [ edit]) Anderson came to the spotlight for his role of the title character in the television series MacGyver from 1985 to 1992. He was later took the better know role of Jack O'Neill in the television series Stargate SG-1 from 1997 through 2007, Stargate Atlantis from 2004 to 2007 and Stargate Universe from 2009-2010.