Edward Everett Horton
— Richard 'Dickie' Smith / Felix, the Great Zero
Esther Ralston
— Madeline Smith
Laura La Plante
— Diane O'Dare
Patsy Ruth Miller
— Kitty 'Minty' Minter
Spencer Charters
— Andrews, the Butler
Maude Eburne
— Mrs. Mantel
Maurice Black
— Taxi Driver
Georgette Rhodes
— Musette, the Maid