"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
Hank Rolike
as Shoe Shine Man
Eddie Quillan
as Hotel Clerk
Max Kleven
as Purvis' Driver
Bob Pinson
as Buckwheat's Pa
Bill Madden
as Gas Station Boy
Dan Curtis
Director
John Milius
Teleplay
William F. Nolan
Trevor Williams
Art Direction
Story
Jacques R. Marquette
Director of Photography
Paul R. Picard
Executive Producer
Producer
Richard A. Harris
Editor
Corky Ehlers
Betty Martin
Casting
Bob Cobert
Music