[citation needed] Within his first year of screen appearances he became established as a scene-stealing juvenile, usually affecting a Jewish dialect for comic effect.

He also appeared in three of Educational Pictures' "Frolics of Youth" comedy shorts, which featured the up-and-coming Shirley Temple.

His only solo featured spot of the 1940s is as a specialty act in Universal's Babes on Swing Street (1945), in which nightclub emcee Miller does celebrity impersonations of Walter Winchell, Edward G. Robinson, and even Katharine Hepburn.

When the Hollywood studios curtailed low-budget production after World War II, Miller concentrated on radio and the new medium of television.

[citation needed] Miller directed episodes of numerous successful television programs throughout the 1950s and 1960s, including Damon Runyon Theater,[4] Bachelor Father, Get Smart, Bewitched, The Ann Sothern Show and My Mother the Car.

In 1974, Miller appeared briefly as a drunk driver in the Barbra Streisand comedy For Pete's Sake as well as episodes of "Dragnet" and "Adam-12."

In 1980, Miller reunited with Donald O'Connor had a nightclub show described as "a fast-paced vaudeville act" that they performed in cities including Denver, New Orleans, Philadelphia, and San Francisco.