Dune

Accompanies the Emperor; retreats from Alia's presence; confers with the Emperor about using treachery as a last resort; observes the duel and recognizes its implications for Bene Gesserit breeding plans.

Baron's nephew and designated heir; stages a gladiatorial combat with a secret poison blade, attempted to assassinate the Baron via a triggered slave-boy needle, and reluctantly accepts the Baron's pact.

Harkonnen Mentat; reports on the assault's progress, confirms Yueh's delivery, and is privately marked by the Baron for eventual disposal.

Head of House Atreides; strategizes about using the Fremen as a military force, reveals Paul's Mentat potential, and makes domestic arrangements upon arrival at Arrakeen.

Atreides Master of Assassins reduced to commanding twenty survivors; negotiates with a Fremen in the desert; falsely blames Jessica for the betrayal; targeted by the Baron for capture and conversion via poison dependency.

Fremen housekeeper at the Arrakeen residence; introduces herself to Jessica with a musical voice and deep-blue all-iris Fremen eyes.

Paul's Bene Gesserit-trained mother; decodes Lady Fenring's hidden warning, destroys the hunter-seeker with Paul, counsels caution about the traitor message, and is kept ignorant of the Harkonnen disinformation plot against her.

Atreides weapons master; participates in the operational briefing, accompanies Leto and Paul on the ornithopter flight, sings to lighten the tension, and nearly confronts Kynes when the planetologist criticizes Atreides propaganda.

Protagonist; sheds tears at Jamis's funeral earning tribal reverence, accepts the water inheritance in a ritual that inadvertently resembles a betrothal, and witnesses the hidden reservoir and terraforming liturgy while wrestling with prescient visions of jihad.

Atreides medic who listens to Jessica's premonitions while internally dwelling on his own entrapment by Harkonnen feuds; later mentioned as a possible target for Hawat's alert about Paul.

Duke of House Atreides; chairs the operational briefing, privately receives Hawat's devastating accusation against Jessica, resolves to feign belief in the betrayal to unmask the real traitor, and shows signs of deep exhaustion and doubt.

Obsessed ecologist who converts the Fremen to his terraforming vision after Uliet's self-sacrifice; organizes decentralized research, discovers the sandworm water cycle and salt pan evidence, and dies in the Gypsum Depression leaving the project to his son.

Imperial agent; visits Harkonnen to probe the Fremen situation, deliver the Emperor's demand to inspect CHOAM books, and evaluate Feyd-Rautha's fitness as heir during the gladiatorial spectacle.

Water merchant holding a monopoly threat over Arrakis; opposes Kynes's terraforming vision and represents entrenched economic interests hostile to Atreides ambitions.

Atreides swordmaster who survives and reunites with Paul and Jessica; created a shield-laser explosion as a defensive trap; calls Paul 'Señor,' marking the transfer of ducal authority.

Household servant; observes Idaho's drunken arrival and fetches stimulant at Jessica's order.

Pilot-guard holding Paul and Jessica captive in the ornithopter; killed by Paul's precise kick after being maneuvered into conflict with his partner Kinet.

Guard in the ornithopter with Czigo; struck down by Czigo when Jessica's Voice manipulation turns them against each other.

Baron's guard captain; impaired by semuta; reprimanded for failing to monitor Feyd-Rautha and ordered to execute the slave master as punishment.

Sardaukar commanding officer who insists on inspecting the Duke's death scene, representing Imperial oversight of the Harkonnen operation.

An unnamed Fremen who contacts Hawat at dawn, offering navigation guidance and negotiating in terms of water-obligation, embodying Fremen cultural logic around survival and water scarcity.

The Baron's brutal nephew, reinstated as governor of Arrakis to oppress the population without mercy as part of the Baron's long-term plan to make Feyd-Rautha appear as savior.

Son of slain smuggler Esmar Tuek; offers sanctuary to Halleck and his men in exchange for service, insisting on caution and protecting Spacing Guild contracts.

Naib of the Fremen sietch; manages water rationing, presides over Jamis's funeral, guides the group to the hidden reservoir, announces the sietch evacuation, and oversees Jessica's transformation rite.

Fremen warrior who disputes Stilgar's protection of Paul; killed by Paul in mandatory ritual combat inside the sietch.

Fremen woman, daughter of Liet-Kynes; leads the water-ring ritual transferring Jamis's water to Paul, is consecrated as Sayyadina backup, and extracts the catalytic saliva from Jessica during the transformation ordeal.

Dying Fremen Reverend Mother; too frail to survive another migration; transmits her entire accumulated consciousness into Jessica via psychic merging during the spice ordeal.

The other woman in Paul's household; brings Alia to Jessica; described with bird-of-prey features and flat glossy hair.

Paul's four-year-old sister, captured after leading a devastating defense against Sardaukar; displayed before the Baron by the Emperor as proof of Fremen lethality; hunts wounded enemies with a knife during the battle.

Presents Alia to the Baron as evidence of Fremen strength; is sealed inside his ship during the sandworm assault; arrives as prisoner before Paul; releases Feyd-Rautha for the duel.

Father of Liet-Kynes; pragmatic ecologist who conceived Arrakis terraforming; intervened to save Fremen from Harkonnen mercenaries, beginning his alliance with the Fremen.

Fremen sent to kill Kynes who instead falls on his own knife; his act is interpreted as divine guidance and becomes the founding myth of Fremen devotion to Kynes.

One of the Fourteen Sages who never recanted the Orange Catholic Bible; ultimately admits the CTE erred in trying to create new symbols; dies in exile in Tupile.