watch 01:33 The Loop (TV) Do you like this video? Richard Miller (December 25, 1928 – January 30, 2019) was an American actor. He portrayed Fosnight in The Flash. Credits The Flash Actor "Watching the Detectives" Fosnight "Be My Baby" Fosnight "Deadly Nightshade" Fosnight "Captain Cold" Fosnight "Good Night, Central City" Fosnight "Alpha" Fosnight Categories: Actors Community content is available under CC-BY-SA unless otherwise noted.