Rock Action (visually rendered in all uppercase) is a Southeast Asian English-language movie channel serving Southeast Asia, owned by Rock Entertainment Holdings.

Since its launched in 2014, it was originally known as RTL CBS Extreme, created by RTL CBS Asia Entertainment Network, a joint-venture of RTL Group and CBS Studios International which focuses on action-packed movies and broadcast in high-definition.

On January 1, 2018, RTL CBS Extreme was renamed Blue Ant Extreme after Blue Ant Media's acquisition of RTL CBS.

On August 18, 2021, Blue Ant Media Asia has rebrand their corporate name as Rock Entertainment Holdings, thus they will rebrand their channels as Rock Entertainment and Rock Extreme respectively.

On December 12, 2022, Rock Entertainment Holdings has restructured their contents, with the plan to focus= on movies and special events, which Rock Extreme has been rebranded as Rock Action, which focus on action movies, on selected regions and TV providers. On September 5, 2023, Rock Action is added in Astro Malaysia's channel line-up.

Rock Action mainly carries films from Hollywood film studios, Sony Pictures, Paramount Pictures, Universal Pictures, and Lionsgate Films, among others.