Ralph Graves
— Agent Walter Prescott
Ruth Mix
— Agent Dorothy Dale
Dave O'Brien
— Terry Navarro
Constance Bergen
— Virginia Caswell
Matthew Betz
— Henry Jensen
Robert Frazer
— James Hackett
Harry 'Snub' Pollard
— Vic Moran
Bob Walker
— Capt. 'Shark' Malone
Bryant Washburn
— Frank Caswell
Clara Kimball Young
— Donna Luise Navarro
Josef Swickard
— Don Pedro Navarro
Blackie Whiteford
— Quinn McGuire
Yakima Canutt
— Ed McMahan