- Steve Allen
- Self
- Bing Crosby
- Character in Sennett Shorts
- W.C. Fields
- The dentist
- Franklin Pangborn
- Mr. Sennett's Representative / Gilbert Sinclair
- Frank Nelson
- Mr. Jefferds, Steve's boss
- Ben Turpin
- Poker player
- Irving Bacon
- Mr. Lake
- Donald Novis
- Danny, the singing boxer
- Mack Sennett
- Self
- James Finlayson
- Target instructor
- Marjorie Kane
- Fields's Daughter / Crosby's Girlfriend / Novis's Girlfriend (archive footage)
- Mabel Normand
- Character in Sennett Shorts
- Dorothy Granger
- Dental patient
- Yvonne Peattie
- Miss Ryan
- Bud Jamison
- Frobisher / Policeman Holding Stakes (archive footage)
- Charles Murray
- The man on the boiler
- Billy Bletcher
- Man in waiting room
- Mack Swain
- Bridegroom
- Gloria Swanson
- Reluctant bride
- Elise Cavanna
- Miss Minkie, dental patient
- Florine McKinney
- Helen Lake
- Marvin Loback
- Detective
- Toby Wing
- Blonde at poolside
- Phyllis Haver
- Character in Sennett Shorts
- Harry Bowen
- Referee
- Charles Gemora
- Charlie, the gorilla
- Renny McEvoy
- Character in Sennett Shorts
- Thelma Hill
- (archive footage)