As of Season 22 of NCIS, no characters remain from the procedural's original cast. The last remaining, Dr. Donald "Ducky" Mallard (David McCallum), exited NCIS in its 21st season due to McCallum ...

Sasha Alexander left NCIS due to intense schedule demands, wanting balance Alexander played Kate Todd, who had notable relationships with Tony and Gibbs Fans hope to see Kate return in a flashback or ...