Don't Weaken!
Professor Yonson - the Dancing Master
Lightfingered Luke - Professor Yonson's Assistant
Frank Reilly
Reilly's Wife
Reilly's Daughter
Reilly's Daughter's Beau
The Pianist (uncredited)
Reilly's Poker Pal (uncredited)
The Butler (uncredited)
Dance Pupil (uncredited)
The Timekeeper (uncredited)
Party Guest (uncredited)
The Cop (uncredited)
