Gregory Sierra played Chano Amengual on Barney Miller for two seasons before he abruptly quit the biggest role he ever played. Here's why the star left.

Barney Miller was one of the first great American sitcoms, and though it's been lost to time, it should be remembered as one of the shows that was years ahead of anything else on the air. The 1970s ...

It's not always easy to predict what will be a hit, so actors don't always make the right choice. Case in point: Gregory Sierra. Sierra was part of the original cast of "Barney Miller" in the mid '70s ...