In this sequel to Melvin Purvis, G-Man, Dale Robertson returns as the crime fighter, who must battle such notorious gangsters as Pretty Boy Floyd, John Dillinger and Baby Face Nelson. ~ Jason Ankeny, All Movie Guide
Trevor Williams - Art Director, Robert Singer - Associate Producer, Dan Curtis - Director, Dennis Virkler - Editor, Richard A. Harris - Editor, Robert Cobert - Composer (Music Score), Michael Westmore - Makeup, Paul Lohmann - Cinematographer, Dan Curtis - Producer, Charles R. Pierce - Set Designer, Dan Curtis - Screenwriter