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
Dean Jagger
— Agent Jones
J. C. Nugent
— Major Newcomb, publisher
Hilda Vaughn
— Miss Simpson, gang "nurse"
Paul Fix
— Cowardly Gangster in Getaway Launch
Frank Sheridan
— Kansas City Police Commissioner
Phil Tead
— Talkative Reporter
Sam Godfrey
— Wiseguy Reporter
Jack Mulhall
— Quiet Reporter
Russ Clark
— Agent Adams
Frank Shannon
— Agent Joe
Irving Bacon
— Old-Timer on Bench
A.S. Byron
— Post Office Goofball
Ben Taggart
— Kansas City Police Chief
Creighton Hale
— Groom
Oliver Eckhardt
— Usher at Wedding
Buddy Roosevelt
— FBI Agent