"J. Edgar Hoover and the FBI go after notorious bank robber and kidnapper Alvin Karpis and his gang."
Robert Foxworth
as Alvin Karpis
David Wayne
as Maynard Richards
Kay Lenz
as Shirley
Gary Lockwood
as Fred Barker
Anne Francis
as Colette
Chris Robinson
as Earl Anderson
Eileen Heckart
as Ma Barker
Harris Yulin
as J. Edgar Hoover
James Gammon
as Alex Denton
Robert Emhardt
as Dr. Willards
Alexandra Hay
as Vicky Clinton
Janice Lynde
as Bernice Griffiths
Charles Cyphers
as Arthur 'Doc' Barker
Gerald McRaney
as Smith
Fred Sadoff
as Frank
Kelly Thordsen
as Chief of Detectives
Lenore Kasdorf
as Rita
Charles Bateman
as Aide #1
Mark Roberts
as Aide #2
Byron Mabe
as West
Betty Anne Rees
as Mary
Whit Bissell
as Senator McKellar
Robert Patten
as First Washington Agent
Arch Whiting
as Third Little Rock Agent
Eric Scott
as Bert
Claudia Bryar
as Landlady
Jeff Davis
as Atlantic City Officer
John Gilgreen
as Sgt. Roland
Queenie Smith
as Flora
Bill Zuckert
as Sheriff C.R. Kelly
Dallas Mitchell
as First Little Rock Agent
James B. Sikking
as New Orleans SAC
Donovan Jones
as Second Little Rock Agent
Richard Roat
as Second Washington Agent
William Conrad
as Narrator (voice)
Calvin Clements Jr.
Writer
Marvin J. Chomsky
Director
Quinn Martin
Executive Producer
Philip Saltzman
Producer
Duane Tatro
Music
Jacques R. Marquette
Director of Photography
Jerry Young
Editor
James Dowell Vance
Art Direction
Ruby R. Levitt
Set Decoration
John Elizalde
Music Supervisor