ActorWilliam Halligan
- Born March 29, 1883 in Chicago, Illinois, USA
- Died January 28, 1957
- 1946The Postman Always Rings TwiceFilmJudge (uncredited)
- 1946The Dark MirrorFilmSergeant Temple (uncredited)
- 1945Dick TracyFilmMayor
- 1945Flame of Barbary CoastFilmTom Buckman
- 1945Week-End at the WaldorfFilmChief Jennings
- 1944The Great MikeFilmDoc Scott
- 1943The Seventh VictimFilmPaul Radeaux (Uncredited)
- 1943The Leopard ManFilmBrunton (uncredited)
- 1943Coney IslandFilmMurph, the Cop
- 1943Riders of the DeadlineFilmSimon Crandall
- 1943Black Hills ExpressFilmMarshal Harvey Dorman
- 1943He's My GuyFilmElwood (as Bill Halligan)
- 1942MoontideFilm"Charlie", Bartender
- 1942The Big StreetFilmDetective (uncredited)
- 1942Life Begins at Eight-ThirtyFilmSgt. McNamara
- 1942Lucky JordanFilmMiller
- 1942The Remarkable AndrewFilmMr. Bricker, Banker
- 1942Henry Aldrich, EditorFilmNorman Kenly
- 1942Foreign AgentFilmBob Davis
- 1942A Gentleman at HeartFilmHiggins
- 1942Broadway Big ShotFilmWarden Collins
- 1941Tom, Dick and HarryFilmMr. Burton (uncredited)
- 1941Gangs Inc.FilmPolice Chief Flynn
- 1941Emergency LandingFilmGeorge B. Lambert
- 1941Blonde CometFilmCannonball Blake
- 1941Remember the DayFilmTom Hanlon
- 1941Double CrossFilmHouston
- 1941Mr. CelebrityFilmDaniel Mason
- 1941Murder Among FriendsFilmDr. James Gerald
- 1940Boom TownFilmMcCreery's Associate #2 (uncredited)
- 1940Third Finger, Left HandFilmRalph Russell
- 1940'Til We Meet AgainFilmBartender on Boat
- 1940You Can't Fool Your WifeFilmJ.R. Gillespie, Sr.
- 1940Hired WifeFilmLatimer
- 1940Earl of PuddlestoneFilmHenry Potter-Potter
- 1932One Way PassageFilmAgua Caliente Bartender (uncredited)
- 1932Blessed EventFilmHerbert Flint
- 1932Lady and GentFilmDoc Hayes
- 1932High PressureFilmBartender (uncredited)
- 1932Dancers in the DarkFilmTerry - Trumpeter
- 1932By Whose Hand?FilmDetective (uncredited)
- 1932The Circus Show-UpFilmDetective Hickey
- 1932Running HollywoodFilmStory
- 1931The Public DefenderFilmLyn Austin the Auctioneer
- 1931Everything’s RosieFilmDr. Powers- Medicine Barker
- 1930Follow the LeaderFilmBob Sterling
- 1929Waltzing AroundFilm