watch 01:20 The Loop (TV) Do you like this video? David McWhirter is a director. Contents 1 Credits 1.1 The Flash 1.1.1 Director 1.1.1.1 Season 3 1.1.1.2 Season 4 1.1.1.3 Season 5 1.2 Supergirl 1.2.1 Director 1.2.1.1 Season 2 1.2.1.2 Season 3 1.2.2 Season 4 2 External links Credits The Flash Director Season 3 "Cause and Effect" "Finish Line" Season 4 "Therefore I Am" "We Are The Flash" Season 5 "Nora" Supergirl Director Season 2 "The Martian Chronicles" Season 3 "Triggers" Season 4 "Parasite Lost" External links David McWhirter at the Internet Movie Database Categories: Crew Community content is available under CC-BY-SA unless otherwise noted.