The Kansas City Massacre 1975

Synopsis:

Gangsters free one of their colleagues being escorted to prison and kill several FBI agents and local police officers in the attempt. FBI agent Melvin Purvis puts together a special squad to track down and capture the men responsible.

Directed by: Dan Curtis
Release date: 1975-09-19
Runtime: 99 minutes
Tagline: The most famous shootout in history
Cast:
Dale Robertson
Dale Robertson
Melvin Purvis 
Bo Hopkins
Bo Hopkins
Charles Arthur 'Pretty Boy' Floyd 
Scott Brady
Scott Brady
Police Commissioner Herbert Tucker McElwaine 
Matt Clark
Matt Clark
Verne Miller 
John Karlen
John Karlen
Sam Cowley 
Lynn Loring
Lynn Loring
Vi Morland