Générique complet
The Sphinx
Lionel Atwill
Jerome Breen
Sheila Terry
Jerry Crane
Theodore Newton
Jack Burton
PH
Paul Hurst
Detective Terrence Aloysius Hogan
Luis Alberni
Luigi Baccigalupi
Robert Ellis
Inspector James Riley
Lucien Prival
Jenks, the Butler
Lillian Leighton
Mother Werner
Paul Fix
Dave Werner
George 'Gabby' Hayes
Detective Casey
Theodore Lorch
Dr. Augustus Kelton
Wilfred Lucas
Prosecuting Attorney
Hooper Atchley
Oliver P. Curran
