Ford Sterling

as Professor Yonson - the Dancing Master

James Finlayson

as Lightfingered Luke - Professor Yonson's Assistant

Charles Murray

as Frank Reilly

Fanny Kelly

as Reilly's Wife

Harriet Hammond

as Reilly's Daughter

Joseph Belmont

as Reilly's Daughter's Beau

Billy Armstrong

as The Pianist (uncredited)