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