1892 - 1983

Er gab sein Debüt mit "When the Wife's Away" (26), es folgten "Finger Prints" (27), "The Jazz Singer" (27), The Black Diamond Express" (27), "A Reno Divorce" (27), "The Escape" (28) und "The Crash" (28).

Im Tonfilm setzte William Demarest seine Karriere ohne Pause fort und spielte bis in die 60er Jahre hinein regelmässig in Filmen mit. Zu seinen bekanntesten Filmen der 30er Jahre gehören "Many Happy Returns" (34), "Fugitive Lady" (34), "Diamond Jim" (35), "White Lies" (35), "Charlie Chan at the Opera" (37), "Easy Living" (37), "Blonde Trouble" (37), "The Great Gambini" (37), "Rosalie" (37), "Josette" (38), "One Wild Night" (38) und "Mr. Smith Goes to Washington" (39).

In den 40er Jahren wurde er ein bevorzugter Darsteller des Regisseurs Preston Sturges, doch auch andere Regisseure nutzten das Talent von Demarest und gaben ihm angemessene Nebenrollen. In den 40er Jahren agierte er in "The Great McGinty" (40), "The Devil and Miss Jones" (41), "Dressed to Kill" (41), "The Lady Eve" (41), "Sullivan's Travels" (42), "The Palm Beach Story" (41), "Dangerous Blondes" (43), "Hail the Conquering Hero" (44), "The Miracle of Morgan's Creek" (44), "Along Came Jones" (45), "The Jolson Story" (46), "The Perils of Pauline" (47) und "Sorrowful Jones" (49).

In den 50er Jahren begann William Demarest auch für das Fernsehen zu arbeiten, doch auch der Kinofilm beschäftigte ihn nach wie vor, so in "Riding High" (50), "The Strip" (51), "The Blazing Forest" (52), "Escape from Fort Bravo" (53), "The Private War of Major Benson" (55) und "Lucy Gallant" (55). 
Seine Engagements für das Fernsehen wurden ab Ende der 50er Jahre immer grösser und er spielte erfolgreich in "Love and Marriage" (59), "Tales of Wells Fargo" (61), "Bonanza: The Hayburner" (63) und "My Three Sons" (65-72).
Zu seinen letzten Kinoarbeiten gehören "Sun of Flubber" (63), "It's a Mad Mad Mad Mad World" (63), "Viva Las Vegas" (64), "That Darn Cat!" (65) und "The Wild McCullochs" (75).
 

Weitere Filme mit William Demarest:
Don't Tell the Wife (27) The Gay Old Bird (27) Matinee Ladies (27) A Million Bid (27) Simple Sis (27) What Happened to Father? (27) The First Auto (27) The Bush Leaguer (27) A Sailor's Sweetheart (27) Amateur Night (27) Sharp Shooters (28) Pay as You Enter (28) Five and Ten Cent Annie (28) The Butter and Egg Man (28) Fog Over Frisco (34) Circus Clown (34) The Murder Man (35) Bright Lights (35) Hands Across the Table (35) Wedding Present (36) Love on the Run (36) Mind Your Own Business (36) Time Out of Romance (37) Don't Tell the Wife (37) Oh Doctor (37) Hit Parade of 1937 (37) The Great Hospital Mystery (37) Wake Up and Live (37) Big City (37) Romance on the Run (38) Rebecca of Sunnybrook Farm (38) While New York Sleeps (38) The Great Man Votes (39) Cowboy Quarterback (39) Micacles for Sale (39) Laugh It Off (39) King of the Turf (39) The Gracie Allen Murder Case (39) Wolf of New York (40) The Golden Fleecing (40) Comin' Round the Mountain (40) Little Men (40) The Farmer's Daughter (40) Christmas in July (40) Rookies On Parade (41) Ride on Vaquero (41) Country Fair (41) Glamour Boy (41) All Through the Night (42) True to the Army (42) Pardon My Sarong (42) Behind the Eight Ball (42) Life Begins at Eight-Thirty (42) My Favorite Spy (42) Johnny Doughboy (42) True to Life (43) Nine Girls (44) Once Upon a Time (44) The Great Moment (44) Salty O'Rourke (45) Duffy's Tavern (45) Pardon My Past (46) Our Hearts Were Growing Up (46) Variety Girl (47) On Our Merry Way (48) Night Has a Thousand Eyes (48) Whispering Smith (48) The Sainted Sisters (48) Jolson Sings Again (49) Red, Hot and Blue (49) He's a Cockeyed Wonder (50) When Willie Comes Marching Home (50) Never a Dull Moment (50) Excuse My Dust (51) The First Legion (51) Behave Yourself! (51) What Price Glory (52) The Lady Wants Mink (53) Dangerous When Wet (53) Here Come the Girls (53) The Yellow Mountain (54) Jupiter's Darling (55) Sincerely Yours (55) Hell on Frisco Bay (55) The Far Horizons (55) The Rawhide Years (56) The Mountain (56) Serie "Alfred Hitchcock Presents: And the Desert Shall Blossom" (58) Pepe (60) King of the Roaring 2'0s - The Story of Arnold Rothstein (61) Twenty Plus Two (61) Gunfight in Black Horse Canyon (61) Serie "The Rebel: The Hope Chest" (60) Serie "Dr. Kildare: Why Won't Anybody Listen?" (64) Serie "The Twilight Zone. What's in the Box?" (64) Serie "The Farmer's Daughter: The One-Eyed Sloth" (64) Serie "Burke's Law: Who Killed Vaudeville?" (64) Serie "Ben Casey: You Fish Or You Cut Bait" (64) Serie "Bonanza: Old Sheba" (64) Serie "To Rome with Love: Rome Is Where You Find It" (70) Don't Be Afraid of the Dark (73) Serie "McMillan and Wife: The Deadly Inheritance" (75) Serie "Ellery Queen: The Adventure of Veronica's Veils" (75) Won Ton Ton, the Dog Who Saved Hollywood (76) The Millionaire (78)