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Jimmy Williams, played by Darcy Tadich, made his first screen appearance on 10 June 2015. The character and Tadich's casting details were announced on 17 May 2015. Jimmy is the young son of returning character
Amy Williams (
Zoe Cramond) and the first grandchild of established regular
Paul Robinson (
Stefan Dennis). Jimmy and Paul get along well, but Amy is aware of how "impressionable" Jimmy is and becomes concerned that Paul might overindulge him. He reprised the role the following year, and returned on 22 May 2019. Tadich later reprised the role for Cramond's exit, which aired on 1 January 2020.. In November 2025, it was reported that Tadich would briefly return as Jimmy the following month for the soap's final episodes. After Amy's cousin
Daniel Robinson (
Tim Phillipps) asks her to return to
Erinsborough to reconnect with Paul, she agrees for Jimmy's sake. Jimmy meets his grandfather for the first time and enjoys his stories of an old well nearby. He later disappears from
Sonya Rebecchi's (
Eve Morey) garden and Amy suspects he has gone down the well. However, Jimmy goes to
The Waterhole looking for Paul and he bonds with
Naomi Canning (
Morgana O'Reilly), Paul's assistant. Amy allows Paul to look after Jimmy while she is working for
Kyle Canning (
Chris Milligan). Paul connects with Jimmy and buys him expensive presents, which Amy later returns to him, having previously mentioned that Jimmy could not have them until Christmas. When Jimmy struggles with his science project, he calls Paul for help. Amy returns home to find them working together and is impressed that Paul did not need to spend money on Jimmy to help them bond. Jimmy finds a bag of letters that contain the secrets of the residents of
Ramsay Street. He reads a couple and blackmails
Karl Kennedy (
Alan Fletcher) into giving him a cake. He later tries the same thing with Karl's wife
Susan (
Jackie Woodburne), but she marches him home to Sonya, who then tells Amy. Jimmy is reprimanded, but when he finds
Sheila Canning's (
Colette Mann) secret, he blackmails her into giving him crisps and cake. When Sheila cannot cope with the pressure, she shakes Jimmy. His cries attract Amy's attention and Sheila admits that he has been blackmailing her. Jimmy and Sheila later apologise to each other. Jimmy befriends Kyle and spends a lot of his time at the Dial-a-Kyle builders yard. Amy and Kyle develop feelings for each other, but their potential romance is halted when Jimmy's father
Liam Barnett (James Beck) visits. Jimmy and Liam spend time together. Amy allows Jimmy to walk to a Dial-a-Kyle, but he goes missing.
Stephanie Scully (
Carla Bonner) finds him hiding out at the high school and he is reunited with Amy. He later witnesses his father accepting a bribe from Paul never to contact him or Amy again, after which Jimmy becomes distant from Paul. Amy and Jimmy move in with Kyle and Sheila. Jimmy initially dislikes Kyle taking the place of Liam, until he is told of his father's crimes. Jimmy befriends Steph's son
Charlie Hoyland (Alexander McGuire) when he comes to stay. When Paul goes on the run, after being accused of causing an explosion at
Lassiter's Hotel, Jimmy finds him and warns him that the police are on their way. Jimmy follows Paul into the bush and is stung by a bee, which causes him to suffer an allergic reaction. Paul takes him to
Erinsborough Hospital and is arrested. Jimmy struggles with Paul's imprisonment. He challenges Charlie to a series of dares. When Steph has to work,
Mark Brennan (
Scott McGregor) takes the boys on a tour around the
Erinsborough Police Station. Jimmy steals some pepper spray and sprays the can at Charlie as part of a dare. Charlie requires medical treatment at the hospital. When Amy confronts him, Jimmy admits that he is just trying to have fun, as he has been abandoned by his father, grandfather and Kyle, who left to reunite with his wife. While Jimmy and Charlie are playing with a drone, they lose control of it and Jimmy gets on his bike to catch up to it. He is struck by a car and the driver leaves the scene. Jimmy is rushed to the hospital, where he has to undergo surgery to remove a ruptured spleen. Kyle returns for a visit and Amy decides to move out, causing Jimmy to blame Kyle for not being able to live at Number 26 anymore. Sheila convinces them to stay, but months later Amy and Jimmy move in with Paul at the Lassiter's penthouse. Jimmy crashes his drone and believes that he caused Steph to crash her bike, but when he reports it to the police, he is informed that a broken muffler caused Steph's accident. After Jimmy has a check-up at the hospital, he and Amy meet
Nick Petrides (
Damien Fotiou), who asks Jimmy if he would play chess with a patient of his. Jimmy initially refuses, as he dislikes Nick due to history with Paul, but later changes his mind and bonds with Nick. While riding his bike through the
Lassiter's complex, Jimmy realises he is going to hit
Kirsha Rebecchi (Vani Dhir) and shouts at her to get out of the way, but as she cannot hear, her father
Shane Rebecchi (Nicholas Coghlan) pushes her aside and Jimmy hits him with his bike instead, resulting in Shane injuring his hand. Jimmy decides to buy Kirsha a smart watch so she can access her talk to text app more easily, but he has no money.
Tia Martinez (Erica Brown) suggests that he steals alcohol from the hotel rooms, as her brother would buy it. Jimmy later takes several bottles from
Xanthe Canning's (Lilly Van der Meer) housekeeping cart and sells them to
Gus Martinez (Blake Draper). Tia later plants some of the alcohol bottles in Xanthe's school bag out of revenge. After Xanthe is suspended from school and the hotel, Jimmy admits that he stole the bottles. Jimmy develops a crush on
Poppy Ryan (Eloise Ross), but struggles to talk to her, so Kirsha helps him to ask Poppy out on a date. Jimmy and Poppy soon begin dating. Jimmy's father Liam returns to Erinsborough and attempts to repair his relationship with his son. Jimmy decides to walk home from school when he feels ill, but due to his weakened immune system, he collapses. Liam finds him and rushes him to the hospital, where he recovers. Kirsha tells Jimmy that Poppy has been bullying her, so he asks Poppy to stop and then breaks up with her. Jimmy learns that Liam is leaving town again and he believes it may be his fault. Amy eventually tells him that Liam has a job offer in New York City and wanted Jimmy to go with him, but she asked him to leave instead. Jimmy assures his mother that he would never have left with Liam, but he later tells Kirsha that it would be cool to go to New York. Paul later asks Jimmy whether he wants to go and Jimmy tells him that he does, as it is only for six months. Amy gives Jimmy her blessing to go, and Paul accompanies Jimmy and Liam to New York to help him settle in. The following year, Amy's partner
Gary Canning (
Damien Richardson) flies Jimmy over to Erinsborough for her birthday party, and their surprise wedding. After Amy refuses to marry Gary at the party, she and Jimmy go away for a few days. On their return, Paul tries to convince Jimmy that Amy was happier with Kyle, but he says it is Amy's decision. Jimmy has dinner with Paul,
Terese Willis (
Rebekah Elmaloglou), Gary and Amy before he leaves for the airport. Months later, Amy learns that Jimmy has been going through a difficult teenage phase. Jimmy returns to Erinsborough, after Liam informs Leo that he is missing. Amy tries talking with him and Jimmy explains that he and Liam have been arguing for a few months. Amy also learns from Liam that Jimmy has been spending time with some friends that Liam disapproves of, so she confronts him about his behaviour. Jimmy later steals some money from Amy's purse. Amy discovers Jimmy has brought his girlfriend to Australia with him, and is hiding her from her abusive father. Jimmy begs Amy to move to New York with him as he misses her support. With her reconciliation with Kyle already on the rocks, Amy decides to break off their relationship and leave Erinsborough with Jimmy and Leo. ==Aaron Brennan==