Oskar is an affable, 28-year-old German industrialist who takes over a defunct enamelware factory in Cracow. Though he initially seeks wartime profit and frequently indulges in heavy drinking and affairs, his direct observation of the Nazi regime's brutality shifts his priorities. He uses his charm, political connections, and vast wealth to establish a haven for Jewish workers within his factory.

Amon is a volatile SS Commandant who wields absolute power over the prisoners at Płaszów. Despite his unremarkable physical appearance, he treats human life as disposable, terrorizing his prisoners daily for his own amusement and personal enrichment. He demands absolute compliance from his subordinates and the camp's laborers.

Itzhak is a highly educated Jewish accountant who becomes one of Schindler’s closest allies in Cracow. He possesses a deep understanding of the political climate and quietly resists the Nazi regime by connecting Schindler with the marginalized Jewish community. His intellect and quiet courage make him an essential force in protecting his fellow workers.

Poldek is a former Polish Army soldier who operates as a resourceful smuggler and black-market trader in Cracow. Using his forged papers and stereotypically Aryan features, he moves through the city to secure luxury goods for his community and for Schindler's bribery efforts. He acts quickly under pressure and actively looks for ways to undermine the oppressive authorities.

Emilie is Oskar's wife, a woman who remains largely distant from his early wartime profiteering and public affairs. Despite her husband's frequent absences and infidelities, she maintains her own sense of moral clarity and quiet strength. She provides critical care and medical support to the vulnerable individuals who eventually fall under the factory's protection.

Helen is a Jewish prisoner forced to work as Commandant Goeth’s personal maid. She lives in a constant state of fear, enduring extreme physical and emotional abuse from her erratic captor. Despite her terrifying circumstances, she holds onto a small stash of money in hopes of saving her sister from the camp.

Julius is a German clothing factory owner who, like Schindler, uses his position as a capitalist to shield Jewish workers. He establishes operations that prioritize the safety of his employees, working closely with his floor manager to keep conditions as humane as possible under the Nazi occupation.

Raimund is the floor manager at Madritsch's clothing factory. He actively works to protect the laborers under his supervision and takes great personal risks to document the conditions inside the camp. He purposely loses chess games to Goeth to keep the commandant occupied and away from the prisoners.

Abraham is the former office manager of the Rekord factory who transitions into a floor manager role at Schindler’s Emalia plant. He helps organize the influx of illegal funds from international Zionist organizations and quietly connects Schindler with those in need of assistance.

Victoria is Schindler's Polish secretary and one of his mistresses. She serves as a vital link to his political and social contacts, using her position and phone lines to alert his allies whenever Schindler faces trouble with the authorities.

Symche is an officer in the ghetto police who chooses to collaborate with the SS to secure better living conditions for his family. He commands his fellow officers to extort and terrorize other Jewish residents, trading his community's safety for personal comfort and the false hope of survival.

Mietek is a highly skilled Jewish prisoner with a photographic memory who types confidential documents for Goeth. He recognizes the extreme danger of his position but uses his access to memorize critical information that could one day hold his captors accountable.

Henry is an exceptionally talented Jewish musician whose performances earn the temporary favor of high-ranking SS officers. He uses his skills to survive the ghetto and the camps, while desperately trying to keep his family safe from the escalating violence.

Genia is a young, parentless girl known for her distinctive red cap. During the violent liquidation of the ghetto, she becomes a profound symbol of innocence when Schindler observes her walking unprotected through the chaotic streets.

Diana is a Jewish architect forced to build the barracks at the Płaszów labor camp. She maintains her professional pride and directly challenges the SS regarding structural flaws in the camp's construction, an act of defiance that enrages the camp's leadership.

Levartov is an orthodox rabbi whose quiet leadership and spiritual guidance make him a target for the SS. After miraculously surviving an execution attempt when Goeth's guns misfire, he is quietly transferred to Schindler’s factory, where he continues to perform Sabbath rites in secret.

Josef is a Jewish prisoner who risks his life to maintain a sense of humanity and romance within the camp. He secures a disguise to visit the women's barracks and participates in a secret, makeshift wedding ceremony despite the ever-present threat of discovery.

Rebecca is a Jewish prisoner who must survive the highly volatile and dangerous environment of Goeth’s home as his personal manicurist. She risks her life to maintain a connection with her love interest, participating in a secret wedding ceremony in her bunkhouse.

Adam is an engineer and Płaszów prisoner who applies his technical expertise to build the relatively safe haven of the DEF subcamp. He spends long hours with Schindler, including secretly listening to forbidden radio broadcasts for news of the war.

Sedlacek is an Austrian dentist operating as a courier for an underground rescue network. He listens to Schindler’s accounts of the atrocities in Cracow and helps funnel international funds to the city's oppressed Jewish community.