!!Robert Jordan

Hero of the story, a young demolitions expert who is having his idealism rubbed off by the war.

* ArmyScout: His local knowledge of the area gets him assigned the mission.
* ComesGreatResponsibility: He feels responsible for everything but mostly to doing his duty.
* BadassBookworm: A former university professor who left academia to volunteer for the International Brigades in support of the Spanish Republican cause. He becomes an explosives specialist charged with destroying key enemy fortification.
* DemolitionsExpert.
* DrivenToSuicide: Played with. His father committed suicide and he worries it's in the blood. [[spoiler: As he lays dying]] he switches between this and duty.
* [[spoiler: DyingAlone]]
* IShallTauntYou: Tries it on Pablo to try and make him do something stupid but he won't bite.
* IShouldWriteABookAboutThis.
* PillowPistol.
* RaisedByGrandparents: A necessity because of his father's suicide. He hero-worships his grandfather instead of his father.

!!Pablo

Leader of the band of guerillas, once a legend, now gone to seed.

* BadassDecay: InUniverse, this has already happened.
* DirtyCoward: Zigs and zags this throughout.
* DistractedByTheSexy: By Maria but Robert Jordan moves in too quickly for this to mature.
* ForTheEvulz: Pilar and others from the band tell he engaged in massacres, torture, robbery and most of the previous months of war he had been just a bandit killing for profit.
* OffscreenMomentOfAwesome: His taking on of the tank at the sentry post.
* StreetSmart: In comparison to Robert Jordan's book smarts.
* TheAlcoholic: Degraded himself into a wretch due to drinking.

!!Maria

Rescued by the guerillas in a train attack before the book's action starts.

* AffectionateNickname: Robert Jordan calls her "guapa" (Spanish word meaning pretty) or "rabbit".
* IAmNotPretty
* LoveInterests
* RapeAsBackstory: She was raped by the fascists who executed her parents.
* SingleTargetSexuality: After the Robert Jordan experience.
* TraumaticHaircut: Her head was shaved by the fascist mob.

!!Pilar

The real leader of the guerillas and, nominally, Pablo's woman.


* EffortlessAmazonianLift: In the book she carries big heavy loads through the woods and easily carries Maria on her shoulder after she is saved from a blown up convict train.
* {{Irony}}: Her speech to Pablo in front of the entire band, saying that between foul people, the drunkard is the foulest, as the thief, robber or killer still have by necessity times when they don't rob or kill and above all they don't practice their vices in their own homes. Coming from an author whose love for alcohol is legendary...
* {{Whatevermancy}}: In this case Palmistry, which she seems to believe wholeheartedly. Robert Jordan not so much. Probably.



!!Anselmo (The Old Man)

First of the guerillas Robert Jordan meets and his closest ally.

* CoolOldGuy: Had been a skilled mountain guide and big game hunter before the war and he can hold his own in a fight.
* ThouShaltNotKill: A pacifist, he is averse to killing, but proves himself a valuable asset all the same.

!!Agustin

The joker amongst the guerillas

* IfYouEverDoAnythingToHurtHer: He carries a torch for Maria too.

!!Fernando

The big quiet guy in the guerillas

* BigEater:
* TheQuietOne: He's not the most talkative guy.

!!Rafael

A gypsy.

* AttentionDeficitOohShiny: He sometimes get distracted by game he wants to hunt, as shown in the ''Series/Playhouse90'' production.
* BigEater: He likes eating what he catches.
* BloodKnight: He enjoys war and hunting.
* DeathByAdaptation: The ''Playhouse 90'' TV film. He survives in the novel.
* DyingMomentOfAwesome: In the ''Playhouse 90'' TV film, when a rope gets caught on the bridge, he successfully pulls it loose in a last-ditch grasp, allowing the bridge to be destroyed.
* GoOnWithoutMe: Not in the novel, but in the ''Playhouse 90'' TV film, he insists that everyone leave him on the bridge so he it can die with him.
* TakeAMomentToCatchYourDeath: In the ''Playhouse 90'' TV film, after blowing up a soldier, he pauses to smile at Pilar before getting shot.
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