Investigators said Frank Paneno was dragged for several feet before the driver stopped.
Police are looking for Lucio Morales, who also goes by Martin Beltran.
They said Morales and a passenger pulled Paneno out from underneath the car. Then Morales drove away, leaving his passenger behind.
If you have any information that could help investigators find Morales, call Pasadena police at (626) 744-4241.