Sylvia Ashton
The Speed Demon's Wife's Friend
Mack Sennett
Minor Role (unconfirmed)
Jack Pickford
The Speed Demon's Son
Dell Henderson
Racing Official
Charles Hill Mailes
Kudge (as Charles H. Mailes)
Edward Dillon
Racing Spectator (as Eddie Dillon)
Fred Mace
The Speed Demon
Charles West
Racing Spectator (as Charles H. West)
Kate Toncray
The Speed Demon's Wife