Title: Gladiator (2000 film)
Content:  Spencer Treat Clark as Lucius Verus: The young son of Lucilla. He is named after his father Lucius Verus, who was co-emperor until AD 169. He is also the grandson of Marcus Aurelius. He idolizes Maximus for his victories in the arena. ; David Hemmings as Cassius: The master of ceremonies for the gladiatorial games in the Colosseum. ; Sven-Ole Thorsen as Tigris of Gaul. The only undefeated Gladiator, was brought out of retirement by Commodus to kill Maximus. ; Omid Djalili as a slave trader. ; Giannina Facio as Maximus's wife. ; Giorgio Cantarini as Maximus's son, who is the same age as Lucilla's son Lucius. ; Adam Levy as Condemned Officer. 
Title: Gladiator (2000 film)
Content:  Aurelius to be poisoned; in Gladiator Commodus himself murders his father by smothering him. In the course of The Fall of the Roman Empire Commodus unsuccessfully seeks to win Livius over to his vision of empire in contrast to that of his father, but continues to employ him notwithstanding; in Gladiator, when Commodus fails to secure Maximus's allegiance, he executes Maximus's wife and son and tries unsuccessfully to execute him. Livius in The Fall of the Roman Empire and Maximus in Gladiator kill Commodus in single combat, Livius to save Lucilla and Maximus to avenge the murder of his wife and son, and both do it 
Title: The Two Gladiators
Content:  new Emperor. Commodus finds out about the plot, and orders his henchmen Laetus and Cleander to destroy the usurper. Lucius and two of his army comrades make their way to Rome, where they try to stir up a revolt and evade Laetus's Praetorian Guards. During a brief interval in captivity, Lucius meets and falls in love with Aemelia, who has been imprisoned for refusing to become Commodus's new mistress. He takes her along when he escapes, and she becomes a partner in his adventures. Unable to induce the populace of Rome to depose Commodus, Lucius personally confronts and kills his twin during a gladiatorial bout. The grateful Roman Senate name Lucius Emperor, and he uses his new power to reward his friends and helpers. Having done so, he abdicates in favor of a better man, the wise senator Pertinax.
Title: Gladiator (2000 film)
Content:  gladiators live, and his guards are held back from striking them down. Maximus's next fight is against a legendary undefeated gladiator, Tigris of Gaul. Commodus has arranged for several tigers to be set upon Maximus during the duel; Maximus, however, prevails. Commodus orders Maximus to kill Tigris, but Maximus spares his opponent's life; he is called "Maximus the Merciful" by the crowd. Angered at this outcome, Commodus taunts Maximus about his family's deaths, but Maximus turns and walks away. Maximus discovers from Cicero, his ex-orderly, that his former legions remain loyal. Lucilla, Commodus's sister; Gracchus, an influential senator and Maximus meet secretly. Maximus will escape Rome, join his 
Title: Gladiator (2000 film)
Content:  the emperor's powers in trust until a new republic can be formed. Jude Law auditioned for the role. ; Connie Nielsen as Lucilla: Maximus's former lover and the older child of Marcus Aurelius. Lucilla has been recently widowed. She resists her brother's incestuous advances, while protecting her son, Lucius, from her brother's corruption and wrath. Jennifer Lopez auditioned for the role but she was turned down. ; Oliver Reed as Antonius Proximo: An old, gruff gladiator trainer who buys Maximus in North Africa. A former gladiator himself, he was freed by Marcus Aurelius and becomes a mentor to both Maximus and Juba. This was Reed's final film appearance, as he died during the filming. 
Title: Gladiator (2000 film)
Content:  appoints Maximus, whom he loves as a son, to be his successor, with the ultimate aim of returning Rome to a republican form of government. He is murdered by his son Commodus before his wish can be fulfilled. Before playing Marcus Aurelius, Richard Harris was originally considered for Proximo. ; Ralf Möller as Hagen: A Germanic warrior and Proximo's chief gladiator who later befriends Maximus and Juba during their battles in Rome. He is killed by the Praetorian Guard during Maximus's attempted escape from Rome. ; Tommy Flanagan as Cicero: Maximus's loyal servant who provides liaison between the enslaved Maximus, his former legion based at Ostia, and Lucilla. He is used as bait 
Title: Gladiator (2000 film)
Content:  In 180 AD, Hispano-Roman General Maximus Decimus Meridius intends to return to his home after he leads the Roman army to victory against the Germanic tribes near Vindobona on the Limes Germanicus. Emperor Marcus Aurelius tells Maximus that his own son, Commodus, is unfit to rule and that he wishes Maximus to succeed him, as regent, to help save Rome from corruption and restore the Roman Republic. Upon hearing this, Commodus murders his father. Commodus proclaims himself the new emperor, asking Maximus for his loyalty, but Maximus refuses. He is arrested by the Praetorian Guard and is told that he and his family will die. He kills his 
Title: Gladiator (2000 film)
Content:  Nonius Macrinus (a trusted general, Consul in 154 AD, and friend of Marcus Aurelius). ; Although Commodus engaged in show combat in the Colosseum, he was not killed in the arena; he was strangled in his bath by the wrestler Narcissus. Commodus reigned for over twelve years, unlike the shorter period portrayed in the film. ; In the film, Lucilla is portrayed as a lone widow of Lucius Verus with one son, also named Lucius Verus. While Lucilla was the widow of Verus and also had a son by that name, their son died young, long before the reign of Commodus, and 
Title: The Two Gladiators
Content:  The Roman Emperor Marcus Aurelius dies, leaving the throne to his son Commodus, an arrogant thug who enjoys fighting as an amateur gladiator. Rome soon begins to suffer from Commodus' excesses, and his mistress Marcia tries to entice him towards a less dissolute lifestyle. In response, he discards her and forces his attentions on a chaste Roman aristocrat named Aemelia. Unbeknownst to most of the world, Aurelius fathered twin sons; it was decided that one of them should be killed in order to prevent future contention over the throne. Tarruntius, the Roman Senator given this task, could not bear to take the infant's life and instead gave it to a foster family. Relocating Commodus' brother, who has grown up to be a fine Roman soldier under the name Lucius Crassus, Tarruntius encourages him to depose his reprehensible sibling and become 
Title: Gladiator (2000 film)
Content:  remarried Claudius Pompeianus soon after Verus' death. She had been married to him for 11 years by the time her brother became Emperor. The film omits Lucilla's other two children with Verus, Lucilla Plautia and Aurelia Lucilla. ; The character of Maximus had a similar career (and personality traits as documented by Herodian) to Claudius Pompeianus (a Syrian) who married Marcus Aurelius' daughter Lucilla following the death of Lucius Verus. It is believed Aurelius may have wanted Pompeianus to succeed him as Caesar, in preference to Commodus, but was turned down. Pompeianus had no part in any of the many plots against 

Question: who is the father of lucius in gladiator?
Answer: Lucius Verus.