Who Plays the Shepherd Family on Grey's Anatomy?
The Shepherd Family Is One of the Most Complicated on Grey's Anatomy — Here's Who's Who
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Like the rest of her siblings, Kathleen is a doctor, trained in psychiatry. We meet her for the first time in season 15, where Amelia describes her as Martha Stewart if Martha Stewart had the ability to diagnose you with a mental condition. Like her elder sisters, Kathleen is married with children, though it's not specified how many.
Kathleen is played by Amy Acker, another well-known TV actress. She's starred in Angel, Person of Interest, and The Gifted.