Bruce Harrington
Carolyn Nolan
D.J. 'Smokey' Nolan
Mr. Harrington
Axel - the Fireman
Betty
Dick Walsh
Reynolds
Ma Nolan
Jackie Nolan
Red Connelly - the Telegraph Operator
President of Rival Railroad (as C. Huntley Gordon)
Slim - a Thug
Bubba - a Thug
Business Associate (uncredited)
Minor Role (uncredited)
Donovan (uncredited)
Bill - the Station Master and Chief Radio Operator (uncredited)
Miss Gray - Secretary (uncredited)
Callahan - the Roundhouse Foreman (uncredited)