Sam Heughan Joins Viola Davis in Thriller Ascent

Actor Sam Heughan will star opposite Viola Davis in the new Paramount+ series Ascent.

Updated on Oct. 22, 2026 in Television

Graphic illustration of a sharp mountain peak in deep navy and charcoal, evoking the dark suspense of a thriller genre project. — Actor Sam Heughan will join Viola Davis in the upcoming Paramount+ thriller series 'Ascent', portraying a top agent alongside Davis's corporate fixer character. AI Illustration. Upload story photo >

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Actor Sam Heughan is set to star as Conal in the upcoming Paramount+ thriller series Ascent. He will appear alongside Viola Davis, who plays the character Catriona.

Why it matters

The series marks a significant new project for both leads, featuring a plot centered on a corporate fixer protecting her endangered daughter.

Sam Heughan recently concluded his eight-season role on the show Outlander in 2026. Production for his new series is slated to begin in 2027.

The players

Sam Heughan

He is an actor best known for his long-term starring role on the television series Outlander.

Viola Davis

She is an Academy Award-winning actress who serves as an executive producer through JuVee Productions.

John Logan

He is a writer and producer who serves as the creator and showrunner for the series Ascent.

The details

Created by showrunner John Logan, the series follows a corporate fixer who weaponizes her skills to protect her daughter. Sam Heughan plays Conal, a top agent for the powerful entity Ascent Ventures.

2026: Sam Heughan concluded his run on the show Outlander.
2027: Production of the series Ascent begins in Los Angeles.

Industry Dynamics

This casting reflects the ongoing strategy of major streaming platforms to secure high-profile talent for original thriller content. The project follows a broader industry trend of pairing established stars to drive viewership on subscription services.

Viewers will be able to watch the new thriller series exclusively on Paramount+ upon its release. Fans of both leads can anticipate the project entering production in 2027.

The takeaway

The series represents a major shift for Sam Heughan following his extended tenure on his previous show. Fans should monitor official announcements for updates regarding the series premiere date.