Agent Melvin Purvis is placed in charge of running down notorious killer Machine Gun Kelly, and sets out to do just that.
Dale Robertson
as Melvin Purvis
Harris Yulin
as George 'Machine Gun' Kelly
Dick Sargent
as Thatcher Covington
Margaret Blye
as 'Kate' Katherine Ryan-Kelly
Matt Clark
as Charles 'Charlie' Parlmetter
David Canary
as 'Gene' Eugene T. Farber
Elliott Street
as Thomas 'Buckwheat' Longaker
John Karlen
as 'Tony' Anthony Redecci
Steve Kanaly
as Sam Cowley
Woodrow Parfrey
as Nash Covington
Jim Hill
as 'Jim' J. D. Longaker
Don Megowan
as Hamburger Stand Man
