No, the movie is a biography about a PRISONER nick-named Charles Bronson (real name is Michael Gordon Peterson). He was a circus strong-man turned criminal who spent a majority of his time in solitary confinement. His promoter named him Charles Bronson with NO relation to the actor.
"Prior to being imprisoned, Bronson had a short-lived career in bareknuckle boxing in the East End of London, during which time he became an associate of Lenny McLean. It is stated on his website that, contrary to press reports, his name was changed by his fight promoter in 1987, thirteen years after his initial imprisonment and that his choice was not made in relation to the actor, Charles Bronson.[3] However, it has often been suggested Bronson changed his name by deed poll to be more in line with a "tough guy" image."
Charles Bronson has served 28 years behind bars, 24 of those years have been in solitary confinement, yet in spite of this he remains fit and strong. What are the secrets to his phenomenal strength and fitness? How can Bronson punch a hole with his bare fist through bullet-proof glass, bend solid steel doors by kicking at them, do press-ups with two men on his back - and all on a prison diet? Without the use of fancy gym equipment, steroids, steaks, supplements or pills you can pack on pounds of muscle, lose weight fast and gain superhuman strength.