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.
as Dentist's assistant
as Dr Pain, the dentist
as Dentist's wife
as Short Assistant
as Patient
as Patient
as Patient
as Pretty Patient (uncredited)
as Bearded Patient (uncredited)
as Patient (uncredited)