A stray Alsatian donated to the police, renamed Rex. He undergoes rigorous training with Constable Mason, becomes his patrol partner, and plays a decisive role in subduing the armed factory burglar, ultimately helping to mend Mason's relationship with Pat.
Rex III has 1 screen credits in a career dating back to 1955. Signature works include Police Dog. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
