William Sanderson (b. 10 January 1944) appeared on Babylon 5. Sanderson is probably best known for his portrayal of J.F. Sebastian in the 1982 movie Blade Runner. Credits Edit Guest starring, "Grail" (6 July 1994) - Deuce Co-Starring, " Thirdspace" (19th July 1998) - Deuce External links Edit IMDB profile Retrieved from "https://babylon5.fandom.com/wiki/William_Sanderson?oldid=55432" Categories: Real people Performers Guest Stars Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.