Prime Video's 'Stillwater' Welcomes New Cast Members

WHO:

Deadline - Lauren Cohan, Mark O’Brien, and Mia Tomlinson have joined the cast of Prime Video's "Stillwater."

Variety - Ben Hardy is the lead in the series.

WHAT:

Deadline - Cohan, O’Brien, and Tomlinson are set for series regular roles in "Stillwater."

Variety - Cohan will portray Catherine ‘Cat’ Keegan, a former homecoming queen.

WHERE:

Deadline - "Stillwater" is produced by Warner Bros. Television, Berlanti Productions, and Skybound Entertainment.

WHEN:

Variety - "Stillwater" is an eight-episode series.

WHY:

Variety - The series adapts the Skybound graphic novel by Chip Zdarsky and Ramón K Pérez.

HOW:

Deadline - The series is a television adaptation of a graphic novel.

(UPDATED October 15, 2026 18:02 UTC)

In exciting news for television fans, Lauren Cohan, Mark O’Brien, and Mia Tomlinson have joined the cast of Prime Video's upcoming series "Stillwater," where Cohan will take on the role of Catherine ‘Cat’ Keegan, a former homecoming queen. Ben Hardy is set to lead the series, which will consist of eight episodes and is produced by Warner Bros. Television, Berlanti Productions, and Skybound Entertainment. "Stillwater" is based on the graphic novel by Chip Zdarsky and Ramón K Pérez, marking a significant adaptation for viewers.