Who plays Duncan Idaho in Dune?

Duncan Idaho is played by Jason Momoa.

What are Duncan Idaho's abilities?

Duncan Idaho's abilities include swordsmanship, espionage, close combat, loyalty.

Duncan Idaho has 6 mapped relationships in Dune. Explore the interactive relationship map for details.

Alia Atreides (Spouse). Murbella (Spouse). Siona Atreides (Spouse). Paul Atreides (Student). Vladimir Harkonnen (Enemy). Mentat (Member of).

Master swordsman and fiercely loyal Atreides warrior and diplomat.

Duncan Idaho — Professional Master Swordsman — Duke Leto Atreides (Oscar Isaac)
Duke Leto relies on Duncan as his primary military commander and loyal protector.
Duncan Idaho — Alliance Advance Party Comrades — Thufir Hawat (Stephen McKinley Henderson)
Both operate as core members of Leto's inner circle and defense network.
Duncan Idaho — Alliance Fellow Atreides Warriors — Gurney Halleck (Josh Brolin)
They share a bond of martial loyalty and combat experience.
Duncan Idaho — Alliance Diplomatic Liaison — Stilgar (Javier Bardem)
Duncan bridges the gap between Atreides forces and Fremen leadership.
Duncan Idaho — Conflict Sacrificial Defender — Baron Vladimir Harkonnen (Stellan Skarsgård)
Duncan directly opposes the Baron's forces, ultimately giving his life to protect the Atreides line.
Duncan Idaho — Narrative Fellow Survivor — Chani (Zendaya)
Duncan and Chani are connected through the survival journey and Paul's prophetic destiny.