Melvin Purvis G-Man

Dale Robertson

Melvin Purvis

Harris Yulin

George 'Machine Gun' Kelly

Dick Sargent

Thatcher Covington

Margaret Blye

'Kate' Katherine Ryan-Kelly

Matt Clark

Charles 'Charlie' Parlmetter

David Canary

'Gene' Eugene T. Farber

Elliott Street

Thomas 'Buckwheat' Longaker

John Karlen

'Tony' Anthony Redecci

Steve Kanaly

Sam Cowley

Woodrow Parfrey

Nash Covington

Jim Hill

'Jim' J. D. Longaker

Don Megowan

Hamburger Stand Man

Hank Rolike

Shoe Shine Man

Eddie Quillan

Hotel Clerk

Max Kleven

Purvis' Driver

Bob Pinson

Buckwheat's Pa

Bill Madden

Gas Station Boy

Dan Curtis

Director

John Milius

Teleplay

William F. Nolan

Teleplay

John Milius

Story

Paul R. Picard

Executive Producer

Dan Curtis

Producer

Betty Martin

Casting

Jacques R. Marquette

Director of Photography

Trevor Williams

Art Direction

Richard A. Harris

Editor

Corky Ehlers

Editor

Bob Cobert

Music