George O'Brien
Gordon Harrington, Jr. aka John 'Whispering' Smith
Acting
Irene Ware
Nan Roberts
Acting
Kenneth Thomson
J. Wesley Hunt
Acting
Maude Allen
Mrs. Roberts
Acting
Spencer Charters
Cal Stone
Acting
Victor Potel
Bill Prouty
Acting
Edward Keane
Rebstock
Acting
Frank Sheridan
Gordon Harrington, Sr.
Acting
William V. Mong
Blake
Acting
Maurice Cass
C. Luddington Colfax
Acting
Allan Cavan
Harrington Office Worker (uncredited)
Acting
Bess Flowers
Secretary (uncredited)
Acting
John Ince
Conductor (uncredited)
Acting
Si Jenks
Oiler (uncredited)
Acting
J.P. McGowan
Caboose Passenger (uncredited)
Acting
Dick Rush
Denver Police Chief (uncredited)
Acting