*** 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]
Dynamite Allen
As 'Simp' Hallett
Those Country Kids
As Man whose Carriage is Stolen
Motorboat Mamas
As Boat Officer
The Bees' Buzz
As Country Club Drinker, Farmer
Hayfoot, Strawfoot?
As Doctor
The Soapsuds Lady
As Grandpa Tucker
Flirty Four-Flushers
As Soup Drinking Customer / Hotel Desk Clerk
Peaches and Plumbers
As The Attorney
The Jolly Jilter
As Short Servant
A Small Town Princess
As Gateman
For Sale, a Bungalow
As The Gas Man
Fatty and Minnie He-Haw
As Short Man
Fickle Fatty's Fall
As Man at Test-of-Strength Concession
A Sweet Pickle
As Bakery Chef
Movie Mania
As Tim Murphy
His Bitter Pill
As Barfly
Whispering Whiskers
As Indian
Ice Cold Cocos
As Ice Rink Usher
Smith's Uncle
As Messenger
Crazy to Act
As Projectionist
The Pride of Pikeville
As Hawkins House Guest
Smith's Pony
As Ship's Purser
Fiddlesticks
As Bystander
The Rodeo
As Minor Role (uncredited)
All Wet
Stuck Up
Mabel's Dramatic Career
As Audience Member
Mother's Boy
As Mug
A Quiet Little Wedding
As Wedding Guest
The Speed Kings
As Man Ford Bumps into
Fatty at San Diego
As Theatre Patron / Man on Dock
Fatty Joins the Force
As Fighter
He Would a Hunting Go
As Villager
Rebecca's Wedding Day
As The Thief
Making a Living
As Jealous Husband (uncredited)
Mabel's Strange Predicament
As Bellboy (uncredited)
A Film Johnnie
As Theater Usher (uncredited)
Tango Tangles
As Guest in Cowboy Hat (uncredited)
His Favorite Pastime
As Shoeshine Boy
Cruel, Cruel Love
As Short Ambulance Attendant
The Star Boarder
As Boarder (uncredited)
Caught in a Cabaret
As Cabaret Patron (uncredited)
A Busy Day
As Policeman
The Knockout
As Society Singer
The Masquerader
As Cameraman
The Rounders
As Doorman in Blackface
Those Love Pangs
As Movie Patron
Gentlemen of Nerve
As Spectator
His Musical Career
As Piano Store Salesman
His Trysting Places
As Diner in Overalls
Tillie's Punctured Romance
As Policeman (uncredited)
Leading Lizzie Astray
As Cafe Waiter
His Prehistoric Past
As Caveman Masher (uncredited)
Ambrose's First Falsehood
As Café Patron
Fatty and Mabel’s Simple Life
As The Groom
Love, Speed and Thrills
As Cop
Fatty's New Role
That Little Band Of Gold
As Audience Member
A One Night Stand
As Audience Spectator
Wished on Mabel
As Police Chief
Mabel’s Wilful Way
As Blackface Man in Sideshow Game / Man Going Down Slide
Miss Fatty's Seaside Lovers
As Bellhop
A Hash House Fraud
As Freeloading Customer
A Submarine Pirate
As Torpedo Loader (uncredited)
Ten Dollars or Ten Days
As Customer with Cane
Hogan Out West
As The Cowboy
Smith's Baby
As Mabel's Father, Jimmy's Father-in-Law
Smith's Landlord
As Small Mover
Smith's Fishing Trip
As The Fisherman
Give Us This Night
As Leader of Clacque