Fred MacMurray

Agent Dick Grant, alias Richard Hood

Madge Evans

Helen Sherwood

David Holt

David Sherwood

Lynne Overman

Agent Gabby Lambert

John Wray

Gangster Sam "Red" Hammond

Leslie Fenton

Monk Gleason, gang boss

Elizabeth Patterson

Ella Ferris

Grant Mitchell

Andrew Webster, banker

Harry Tyler

Lanky Gangster (script name: Steve)

Clyde Dilson

Butch, beefy gangster

George Lloyd

Louie, beefier and dull-witted gangster

Arthur Aylesworth

Area Agent Drew

Helen Shipman

Becky Ferris

Herbert Rawlinson

Chief Agent Crawford