Ha Ha Ha
Although only a dental assistant, Charlie pretends to be the dentist. After receiving too much anesthesia, a patient can't stop laughing, so Charlie knocks him out with a club.
Charlie Chaplin
Dentist's assistant
Fritz Schade
Dr Pain, the dentist
Alice Howell
Dentist's wife
Joseph Sutherland
Short Assistant
Slim Summerville
Patient
Josef Swickard
Mack Swain
Helen Carruthers
Pretty Patient (uncredited)
Fred Hibbard
Bearded Patient (uncredited)
Gene Marsh
Patient (uncredited)
