Long before the Fly Team experienced major cast changes, one actress helped establish the international identity of FBI: International from the very beginning: Christiane Paul.

Playing Europol supervisor Katrin Jaeger, Paul quickly became one of the show’s most respected and recognizable characters. While she was never officially a Fly Team agent, many fans considered her just as important as Scott Forrester, Jamie Kellett, Andre Raines, and Cameron Vo.

Why Katrin Jaeger Was Different

When FBI: International debuted, Jaeger served as the bridge between American law enforcement and European authorities.

Unlike many procedural-drama supporting characters, Katrin wasn’t simply there to provide information. She often guided investigations, negotiated with international agencies, and challenged the Fly Team when necessary.

That made her stand out.

Many viewers appreciated that she brought a distinctly European perspective to cases, helping the series feel truly international rather than simply an American FBI show set overseas.

The Departure That Surprised Viewers

After the first season, Christiane Paul left as a series regular when Katrin Jaeger received a promotion within Europol.

Although the storyline provided an in-universe explanation, fans were disappointed to see one of the show’s most unique characters depart so early.

The good news was that Jaeger wasn’t completely gone.

Christiane Paul later returned for a guest appearance, allowing fans to reconnect with a character who had played a major role in the Fly Team’s early success.

More Than Just an Actress

One reason Christiane Paul fascinates fans is her remarkable real-life story.

Before achieving international fame as an actress, she studied medicine and qualified as a physician in Germany. Few television stars can claim careers in both medicine and entertainment at such a high level.

Over the years, she became one of Germany’s most acclaimed performers, appearing in numerous films and television productions while earning major industry awards.

That background gave her a level of experience and credibility that many viewers felt translated naturally to the authoritative presence of Katrin Jaeger.

What Is Christiane Paul Doing Now?

As of 2026, Christiane Paul remains active in German and European film and television projects. She continues to be recognized as one of Germany’s leading actresses and regularly appears in high-profile productions. While she has not announced a return to the FBI franchise, her career remains strong on both television and film. (FBI)

Why Fans Still Talk About Her

Among longtime FBI: International viewers, Katrin Jaeger represents a different era of the show.

She was there when the Fly Team was still finding its identity.

She worked alongside Scott Forrester during the franchise’s earliest investigations.

And she helped establish the international political complexity that became a hallmark of the series.

Even after Amanda Tate, Wes Mitchell, and other later characters arrived, many fans continued to view Katrin as one of the most irreplaceable figures in the show’s history.

The biggest “what if?” remains the same:

What would FBI: International have looked like if Christiane Paul had stayed for all four seasons?

It’s a question fans still debate years later—and that may be the strongest sign of Katrin Jaeger’s lasting impact on the series.