I have an educated guess on the matter, so here we go… Residuals for TV were not initially a concern. Most TV of the time was broadcast either one and done or just live. Thus, residual payments really didn't factor into things. read more
In 1952, residual payments were extended to these television reruns, thanks in large part to Ronald Reagan, whose first term as president of the Screen Actors Guild (SAG) ran from 1947 to 1952. In 1953, the WGA negotiated residuals for up to five reruns for made-for-TV shows. That said, film actors were still not paid residuals for reruns. read more
For work on a television show, residuals are due if a show starts reruns on the same network or is released to video or DVD (including Internet rental and/or download), pay television, broadcast television, or basic cable. read more