Love Story Episode 4 cast and characters: Here's who's bringing the FX romance anthology to life

The FX romance anthology series Love Story continues to enchant in its most recent episode, 4 "I Love You".

Premiering on February 19, 2026, this episode is helmed by Gillian Robespierre. Written by D.V. DeVincentis, this episode takes the emotional trajectory of the storyline, as John F. Kennedy and Carolyn Bessette-Kennedy strive to manage familial constraints, public gaze, as well as coping with their own vulnerabilities.

The episode shall showcase an array of talented actors, portraying the important characters in relation to the couple.

Keep reading to explore the cast and characters of Love Story Episode 4.

Here are the cast and characters of Love Story Episode 4

1) Constance Zimmer as Ann Messina Freeman

In Love Story, actor Constance Zimmer portrays the role of Ann Messina Freeman. She is the mother of Carolyn and is a stark contrast to the Kennedy family.

Apart from this role, Zimmer is known for her work in Entourage, House of Cards, Unreal, The Lincoln Lawyer, and many more.

2) Grace Gummer as Caroline Kennedy

From the Kennedys, we have Grace Gummer portraying the role of John's elder sister. Through her character, we get a deeper insight into the kinship patterns and the impact of the family's heavy lineage on JFK Jr.'s life.

Some of Gummer's work includes The Newsroom, Mr. Robot, Let the Right One In, etc.

3) Alessandro Nivola as Calvin Klein

A still from Love Story | Image via @Youtube/ FX Networks and Hulu

One of the most legendary figures in the fashion industry, Calvin Klein, has played an important role in the romantic relationship of John and Carolyn. Alessandro Nivola has played the part of the fashion mogul.

Nivola is well known for his work in Face/Off, Coco Before Chanel, American Hustle, Selma, The Many Saints of Newark, The Brutalist, and Kraven the Hunter, to name a few.

4) Leila George as Kelly Klein

Portraying Kelly Klein, we have Leila George as the fashion icon. An ex-partner of Calvin Klein, she is a pivotal part of Carolyn's world before JFK's influence.

George's other screen credits include Mortal Engines, Animal Kingdom, Gonzo Girl, Disclaimer, and many more.

5) Naomi Watts as Jacqueline Kennedy Onassis

John's mother, Jacqueline Kennedy Onassis, is embodied by actor Naomi Watts. She is a woman who exhibits intellect, elegance, as well as intricacy in her persona.

Watts is distinguished for her work in Mulholland Drive, The Ring, The Impossible, King Kong, Birdman, The Watcher, All's Fair, etc.

6) Sydney Lemmon as Lauren Bessette

Lauren Bessette is the older sister of Carolyn and is a tower of strength to her. We get to know a deeper insight into Carolyn's past through the presence of Lauren. She is portrayed by Sydney Lemmon.

Lemmon has also worked on Fear the Walking Dead, Succession, Helstrom, and Firestarter, to name a few.

7) Sarah Pidgeon as Carolyn Bessette-Kennedy

In Love Story, Sarah Pidgeon portrays the role of Carolyn. In her portrayal, Pidgeon brings a sense of subtlety and richness that perfectly depicts the complex inner world of Carolyn.

Apart from this role, the actor has worked in films and series, including The Wilds, Tiny Beautiful Things, and I Know What You Did Last Summer, etc.

8) Paul Anthony Kelly as John F. Kennedy Jr.

Paul Anthony Kelly embodies John F. Kennedy Jr. He is the son of Jacqueline Kennedy Onassis and the American President John F. Kennedy. What makes this series even more interesting is that this is Kelly's first work on screen.

In this series, the newbie actor has already won hearts with his commanding presence, and of course, his striking resemblance to the Kennedy heir.

The rest of the cast includes: