This also applies to people working off camera as well. Series producer Terry Louise Fisher later went on to co-create L.A. Law alongside Steven Bochco.
Missing Episode: When reruning Cagney & Lacey, Lifetime omitted the first season episodes featuring Meg Foster as Cagney. The DVD release does likewise, labeling the second season (featuring Sharon Gless as Cagney) as the the first season.
The Other Darrin: Loretta Swit played Cagney in the Made-for-TV Movie, but wasn't available for the series. Meg Foster played her for the first season before being replace by Sharon Gless, who played her for the rest of the run.
Un-Canceled: A letter-writing campaign resurrected the show from a 1983 cancellation.