Dominic Monaghan is an English actor widely recognized for his role as Meriadoc "Merry" Brandybuck in Peter Jackson's acclaimed film trilogy *The Lord of the Rings* (2001-2003), which marked his global breakthrough.

In his film career, he has also appeared in other notable films such as *X-Men Origins: Wolverine* (2009), where he portrayed Chris Bradley/Bolt. Although he gained further recognition with the TV series *Lost*, his film career primarily features him in supporting roles.

Monaghan is known for playing supporting characters, often loyal, eccentric, or with an unexpected side, demonstrating a remarkable ability to infuse depth and charisma into roles that are not necessarily leading ones.