Answer
Dr. Who, famously portrayed by Peter Cushing in two film adaptations, "Dr. Who and the Daleks" (1965) and "Daleks' Invasion Earth 2150 A.D." (1966), marked a significant milestone in sci-fi cinema, introducing the iconic time-traveling hero to a wider audience. Cushing's portrayal captured the essence of the enigmatic Doctor, setting the stage for the character's enduring popularity in the years to come.