Gunman Sent by God(1968)

Original title: Il pistolero segnato da Dio

Anthony Steffen, as a young gunman who works as a circus performer, witnesses the killing of some outlaws, carried out by their leader and is credited with the deed. Steffen suffers from a complex which blocks him in front of any violence and makes him appear cowardly, so when a young boy is kidnapped he must find a way to regain his composure.