Madelaine Petsch and Three Others Join ‘The Watcher’ Season 2 Cast

WHO:

Coming Soon - The Watcher is a Netflix series created by Ryan Murphy.

Coming Soon - Madelaine Petsch and Evan Adams were named among the actors joining the cast.

Deadline - Madelaine Petsch, Evan Adams, Owen Painter, and Quintessa Swindell were cast as series regulars in Season 2.

Deadline - Returning series leads Naomi Watts and Bobby Cannavale, along with main cast members Margo Martindale and Isabel Gravitt, are also part of the cast.

WHAT:

Coming Soon - Netflix’s The Watcher added Madelaine Petsch, Evan Adams, and other actors as regulars for its new season.

Deadline - Season 2 adds four series regulars: Petsch, Adams, Painter, and Swindell.

WHERE:

Coming Soon - The Watcher is a Netflix series.

Deadline - Season 2 production is set to take place in New [location not fully specified in the article excerpt].

WHEN:

Deadline - Season 2 production is scheduled to begin “this fall”; the article does not provide a calendar date.

WHY:

Coming Soon - The article describes The Watcher as a popular Netflix series; it gives no reason for the casting additions.

HOW:

Deadline - The four newly cast actors will join the show as series regulars, alongside returning leads and main cast members.

(UPDATED October 22, 2026 18:09 UTC)

Netflix’s The Watcher is expanding its cast for Season 2, adding four actors as series regulars. Madelaine Petsch, Evan Adams, Owen Painter, and Quintessa Swindell will join the new season. They’ll appear alongside returning leads Naomi Watts and Bobby Cannavale, as well as main cast members Margo Martindale and Isabel Gravitt. The series was created by Ryan Murphy and has been described as a popular Netflix show. Production is scheduled to begin this fall in New York, though the exact location has not been specified. The casting announcement does not give a reason for the additions. The new regulars will join the returning cast as the show moves into its second season.