Don't Weaken!

A dancing instructor gets involved with a newly rich family.

• Malcolm St. ClairDirector

• Ford SterlingProfessor Yonson - the Dancing Master
• James FinlaysonLightfingered Luke - Professor Yonson's Assistant
• Charles MurrayFrank Reilly
• Fanny KellyReilly's Wife
• Harriet HammondReilly's Daughter
• Joseph BelmontReilly's Daughter's Beau
• Billy ArmstrongThe Pianist (uncredited)
• Lige ConleyReilly's Poker Pal (uncredited)
• Al CookeThe Butler (uncredited)
• Virginia FoxDance Pupil (uncredited)
• Eddie GribbonDance Pupil (uncredited)
• Patrick KellyThe Timekeeper (uncredited)