Fred Mace

The Speed Demon

Kate Toncray

The Speed Demon's Wife

Dell Henderson

Racing Official

Jack Pickford

The Speed Demon's Son

Sylvia Ashton

The Speed Demon's Wife's Friend

William J. Butler

In Crowd

Edward Dillon

Racing Spectator (as Eddie Dillon)

Harry Hyde

A Judge

Charles Hill Mailes

Kudge (as Charles H. Mailes)

Mack Sennett

Minor Role (unconfirmed)