A late-night driver in the prologue who engages in conversation with his passenger before being murdered after the passenger transforms into a monster. He reappears at the end as the traumatized patient in the ambulance.
The Passenger and Driver are the same being, with the Passenger transforming into the Driver during the opening sequence.
The Driver operates the ambulance that transports the traumatized Valentine to the hospital.
Explore the full interactive character relationship map of Twilight Zone: The Movie