Agua was born with an unexplainable physical defect: she can heal people with tears in grief. The Bida Kontrabida. Bendita is the physically normal but insecure twin, who feels that her parents concentrate of Agua as a result of her disability, leaving little for Bendita. She struggles with her jealousy but in the end learns to be humble and to love her twin sister.

Ronnie met Agua when they were children, but when they met as young adults he was blind; without knowing Agua's real identity, Ronnie learned to love her for her personality. His mother was a maid from a rich Italian family who got impregnated by the owner's son. To cover the shame, Ronnie's father left them penniless with only a house. He is Agua's love interest, favoring her more than Bendita, due to the former's kind and naive nature.

Paco the poor son of Criselda and Baldo, often called "Tod" when he was young. He met the twins when he saved their lives on separate occasions. Tasked by his mother to bring her Agua in order to be freed from her disorder, he often works different jobs which would lead him to the Cristi's during which he begins to pity Agua. He later becomes Bendita's love interest after being completely rejected by Ronnie.

Agua and Bendita's mother, who caused Agua's disability by drinking holy water when she was pregnant.

Mercedes' husband. A doctor.

Mercedes' mother. She is very close to Bendita, but not to Agua whom she regards as a 'freak', but do loved her and care for her, as she was protecting her from the danger. She is pretend to root of Agua's problems and Bendita's ill temper.

Doña Amalia's niece. She had feelings towards Marcial and Doña Amalia conspired to fulfill the Doña's goal of breaking Marcial's family bond.

Padre Guido's niece who was the intended recipient of the miraculous agua bendita. She is Paco's mother and has epilepsy, which the agua bendita was supposed to cure. Later Doña Amalia and Criselda set a wicked plan in which they will kidnap Agua and kill her.

Criselda's husband who is a gambler and a drunk.

The original owner of agua bendita and Criselda's uncle. He asked Marcial to give the agua bendita to Criselda to cure her illness. Unfortunately, Marcial stole it for Mercedes. Padre Guido appears from time to time in Agua's dreams to help her use her abilities she has gained from the agua bendita for good, though he also appears in Bendita's dreams, where he tells her that she can't use Agua's abilities because she does not deserve such privileges, and instead make her understand the error of her ways.

She and Marcial are the only two people who knew about Agua's disability when she was born.

A fisherman who saved Agua from danger and raised her.

Ben's wife who helped Agua from danger and raised her.

Ronnie's mother. She was once a maid on a rich Italian family. She got impregnated by one of the owner's sons.

Agua's fish (clownfish) friend.

Lisa's son who used to court Mercedes. However, due to Mercedes' rebellion, she ended up marrying Marcial. When Mercedes and her family decided to migrate in America, he found a chance to caress Mercedes once again.

A fake healer who helped Criselda when they needed some money. Criselda acts as if she is being healed by Lucas to attract customers.

Amalia's sister. She is Divina's cruel stepmother.

Amalia's friend who owned the boat intended to bring the Cristi family to their hiding island.

Tod's co-worker and friend

Daughter of the water theme park owner, healed by Agua.