J. Edgar Hoover and the FBI go after notorious bank robber and kidnapper Alvin Karpis and his gang.
Alvin Karpis
Maynard Richards
Shirley
Fred Barker
Colette
Earl Anderson
Ma Barker
J. Edgar Hoover
Alex Denton
Dr. Willards
Vicky Clinton
Bernice Griffiths
Arthur 'Doc' Barker
Smith
Frank
Chief of Detectives
Rita
Aide #1
Aide #2
West
Mary
Senator McKellar
First Washington Agent
Third Little Rock Agent
Bert
Landlady
Atlantic City Officer
Sgt. Roland
Flora
Sheriff C.R. Kelly
First Little Rock Agent
New Orleans SAC
Second Little Rock Agent
Second Washington Agent
Narrator (voice)
