Whispering Smith Speaks

George O'Brien

as Gordon Harrington, Jr. aka John 'Whispering' Smith

Irene Ware

as Nan Roberts

Kenneth Thomson

as J. Wesley Hunt

Maude Allen

as Mrs. Roberts

Spencer Charters

as Cal Stone

Victor Potel

as Bill Prouty

Edward Keane

as Rebstock

Frank Sheridan

as Gordon Harrington, Sr.

William V. Mong

as Blake

Maurice Cass

as C. Luddington Colfax

Allan Cavan

as Harrington Office Worker (uncredited)

Bess Flowers

as Secretary (uncredited)

John Ince

as Conductor (uncredited)

Si Jenks

as Oiler (uncredited)

J.P. McGowan

as Caboose Passenger (uncredited)

Dick Rush

as Denver Police Chief (uncredited)