
Anderson, born on Staten Island, began his career in radio. At just 12 years of age, he became a regular on "Uncle Kenny's Radio Kindergarten." He would go on to NBC's musical serial drama Tony and Gus and CBS's Let's Pretend, staying with the latter for nearly 20 years.
On the stage, Anderson appeared on Broadway alongside Orson Welles in the radio giant's production of "Julius Caesar."