(in credits order) verified as complete
- The Marx Brothers(as The Four Marx Brothers)
- Groucho Marx(as The Four Marx Brothers)
- Harpo Marx(as The Four Marx Brothers)
- Chico Marx(as The Four Marx Brothers)
- Zeppo Marx(as The Four Marx Brothers)
- Leonid Kinskey(as Leonid Kinsky)
- Charles Middleton(as Charles B. Middleton)
Rest of cast listed alphabetically
- Sidney Bracey(uncredited)
- Lynn Browning(uncredited)
- Margaret Carthew(uncredited)
- Azelie Cecil(uncredited)
- Hazel Craven(uncredited)
- Joseph Crehan(uncredited)
- Carrie Daumery(uncredited)
- Mildred Dixon(uncredited)
- Bess Flowers(uncredited)
- Muriel Gordon(uncredited)
- Beatrice Hagen(uncredited)
- Edward LeSaint(uncredited)
- George MacQuarrie(uncredited)
- Eric Mayne(uncredited)
- Edmund Mortimer(uncredited)
- Frederick Sullivan(uncredited)
- Ben Taggart(uncredited)
- Dale Van Sickel(uncredited)
- Charles West(uncredited)
- Florence Wix(uncredited)
Crew verified as complete