*** FYI: NOT TO BE CONFUSED WITH ACTOR BILLY GILBERT (born William Gilbert Barron) WHO LIVED FROM 1894 TO 1971. ***
Billy Gilbert (born William V. Campbell; September 15, 1891—April 29, 1961) was involved in more than 150 American films between 1913 and 1936, working as either an actor, extra, or director. Gilbert spent his entire career working almost exclusively in shorts, often uncredited.
[biography (excerpted) from Wikipedia]
Movies
Dynamite Allen
'Simp' Hallett
Those Country Kids
Man whose Carriage is Stolen
Motorboat Mamas
Boat Officer
The Bees' Buzz
Country Club Drinker, Farmer
Hayfoot, Strawfoot?
Doctor
The Soapsuds Lady
Grandpa Tucker
The Jolly Jilter
Short Servant
Flirty Four-Flushers
Soup Drinking Customer / Hotel Desk Clerk
Peaches and Plumbers
The Attorney
A Small Town Princess
Gateman
For Sale, a Bungalow
The Gas Man
Fatty and Minnie He-Haw
Short Man
Fickle Fatty's Fall
Man at Test-of-Strength Concession
A Sweet Pickle
Bakery Chef
Movie Mania
Tim Murphy
Smith's Pony
Ship's Purser
Fiddlesticks
Bystander
Ice Cold Cocos
Ice Rink Usher
His Bitter Pill
Barfly
The Pride of Pikeville
Hawkins House Guest
Whispering Whiskers
Indian
Crazy to Act
Projectionist
The Rodeo
Minor Role (uncredited)
Smith's Uncle
Messenger
Mabel's Dramatic Career
Audience Member
The Star Boarder
Boarder (uncredited)
A Submarine Pirate
Torpedo Loader (uncredited)
The Knockout
Society Singer
The Masquerader
Cameraman
Love, Speed and Thrills
Cop
All Wet
Stuck Up
He Would a Hunting Go
Villager
Cruel, Cruel Love
Short Ambulance Attendant
Ambrose's First Falsehood
Café Patron
Tango Tangles
Guest in Cowboy Hat (uncredited)
A One Night Stand
Audience Spectator
Fatty at San Diego
Theatre Patron / Man on Dock
A Busy Day
Policeman
Fatty and Mabel’s Simple Life
The Groom
A Hash House Fraud
Freeloading Customer
His Favorite Pastime
Shoeshine Boy
The Rounders
Doorman in Blackface
Tillie's Punctured Romance
Policeman (uncredited)
Fatty Joins the Force
Fighter
His Trysting Places
Diner in Overalls
Gentlemen of Nerve
Spectator
That Little Band Of Gold
Audience Member
Mother's Boy
Mug
Rebecca's Wedding Day
The Thief
Making a Living
Jealous Husband (uncredited)
Caught in a Cabaret
Cabaret Patron (uncredited)
His Musical Career
Piano Store Salesman
A Quiet Little Wedding
Wedding Guest
The Speed Kings
Man Ford Bumps into
A Film Johnnie
Theater Usher (uncredited)
Fatty's New Role
Mabel’s Wilful Way
Blackface Man in Sideshow Game / Man Going Down Slide
Mabel's Strange Predicament
Bellboy (uncredited)
Those Love Pangs
Movie Patron
Leading Lizzie Astray
Cafe Waiter
His Prehistoric Past
Caveman Masher (uncredited)
Wished on Mabel
Police Chief
Miss Fatty's Seaside Lovers
Bellhop
Ten Dollars or Ten Days
Customer with Cane
Smith's Baby
Mabel's Father, Jimmy's Father-in-Law
Hogan Out West
The Cowboy
Smith's Fishing Trip
The Fisherman
Smith's Landlord
Small Mover
Give Us This Night
Leader of Clacque