Pierce O’Leary vs. Mark Chamberlain

Explore Pierce O’Leary vs. Mark Chamberlain (2026), including ReelBot’s take, cast, runtime, where to watch, and similar movies worth adding to your list.

2026 · Action

Overview

The Big Bang, Pierce O’Leary, will once again be the star turn at the 3Arena in his home city of Dublin, when he goes up against Mark Chamberlain in a first defence of his IBO world super lightweight title.

Cast

• Pierce O'Leary — Self
• Mark Chamberlain — Self
• Royston Barney Smith — Self
• Reece Bellotti — Self
• Gary Cully — Self