Marten Lamont

Jerry Blake

Helen Talbot

Joyce Kingston

George J. Lewis

Jim Belmont

Lorna Gray

Rita Parker

Hal Taliaferro

Matt Farrell

LeRoy Mason

Morton

William Stevens

Agent Fred Martin

Maurice Cass

Signor Giuseppe Morello

Kernan Cripps

Agent Thomas Jeffries

Elaine Lange

Countess Delremy

Frank Jaquet

Warren Hunter

Forrest Taylor

Otto Wolfe

Jay Novello

Heinrick

Tom London

Prof. Crawford

Jack Ingram

Riggs