1923, the Yellowstone prequel airing on Paramount Plus, features French actor Sebastian Roche in the role of Father Renaud, the cruel headmaster of the Catholic boarding school from which Teonna Rainwater (portrayed by Aminah Nieves) flees.

Father Renaud's character has taken an interesting twist as his vulnerabilities begin to surface in his quest to find Teonna.

Sebastian, a 60 year old French-American actor, is recognized for his performances in Odyssey 5, General Hospital, and The Vampire Diaries.

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Born in Paris to a Scottish mother and a French father, he spent his teenage years living on a sailboat with his family, journeying through the Mediterranean, Africa, South America, and the Caribbean.

Sebastian Roche as Father Renaud
Sebastian Roche as Father Renaud

The multilingual actor attended the esteemed French National Academy of Dramatic Arts before relocating to New York in 1992. He is now a U.S. citizen, reports the Irish Star.

In his personal life, he met American actress Vera Farmiga while they were co-stars on the Fox series Roar. They eloped to the Bahamas after the series concluded in 1998, but their marriage ended after seven years.

Sebastian later married Korean Australian actress Alicia Hannah-Kim in France in 2014. She is known for her role as antagonist Kim Da-Eun in the Netflix series Cobra Kai, and has also appeared in Minx, Alone Together, and Two and a Half Men.

While Sebastian is no stranger to villainous roles, his portrayal in 1923 is undoubtedly his most ruthless to date.

Sebastian Roché is married to Alicia Hannah-Kim
Sebastian Roché is married to Alicia Hannah-Kim

Father Renaud, in the premier season, was depicted taking the life of a student at the North Dakota Boarding School for Native Americans.

He revealed to Us Weekly how the sequences stirred deep emotions within him, reflecting: "There was a whole room full of Indigenous [and] Native American young women.

"Before the scene, I wanted to clear the air and talk about what we were about to do because we're recreating [the] history that truly happened.

"I wanted to clear the air by kind of asking forgiveness before we did the scene. That really helped not only everyone [else] to ease the tension, but myself, because I suddenly felt unbelievably emotional in those scenes.

"[It's] so realistic that really, I got incredibly emotional and nervous."

1923 airs on Paramount Plus on Sundays