plays Oliver "Ollie" Valentine, who first appears in series eleven, along with his sister, Penny, as a . Registrar originally dislikes Oliver, but later realises that not only is he a good doctor, but he also tries to understand the patients, and has him transferred to the . On AAU, Oliver becomes friends with . They sleep together, and Chrissie becomes pregnant, but goes on to miscarry. Oliver is transferred to the ward, Keller, after annoying AAU lead . Oliver works alongside Jac on Keller ward, and the two share a kiss, which Penny photographs and posts throughout the hospital. Oliver attempts to hide the photos from ward sister Daisha Anderson, who he is casually dating. When Daisha discovers the photos, she slaps him and ends their relationship. Oliver caused friction on Darwin when he treated a patient that nearly killed him and lied to Connie that Greg left him unsupervised to save his own skin. Greg however found out and got his own back at him by setting him up with a prostitute. On 1 March 2011, Oliver landed himself in hot water when the patient he made a mistake when closing him up a while ago was brought back on AAU. Under stress that the mistake would make him repeat his F2 year, tried to persuade Penny to take the blame. With an enquiry looming, Oliver snuck into Michael Spence's files and deleted his name from the list, trying to put Penny's name instead thus jeopardising her own career which had gone from strength to strength. However, he was eventually caught out by registrar Antoine Malick and was reported. When Penny found out what he tried to do, she said what he did was unforgivable and said he was "Toxic". It was then revealed that Oliver is actually practicing illegally, as he stole his sister's papers and passed them off as his own. Penny told him to admit it all to Michael Spence or she will, and gave him a deadline. Although the results showed that Oliver was innocent, he somewhat started to spiral out of control and breaks down in front of Penny when he confesses that he cheated on their final exams before starting work at Holby, passing her exam off as his, therefore not legally qualified to work as a Doctor. Penny was furious for what he did and told him that he has to confess his bombshell by the time she returns from annual leave, or she will. On the episode broadcast on 12 April 2011, Penny was killed saving a patient at the wreckage of a train crash, leaving Oliver to identify the body. He plans to tell the truth to Mallick, who convinces him not to tell anyone, saying that this conversation did not happen. Oliver is last seen in this episode sitting on a bench with Penny's belongings. Oliver starts a romantic relationship with F1 doctor Tara Lo (); however, he is shocked when he learns that Tara has an inoperable brain tumour, and he goes into overdrive looking for cures. Weeks later he's move into Tara' flat, Tara's brain tumour grown and she decided to have operation to life-threatening operation to reduce her brain tumour. On the day before Tara's operation, they got married in front of Tara's parents and their friends and co-workers, Elliot Hope, Jac Naylor, Jonny Maconie and Mo Effanga at Holby hospital gardens. Since his return, he has been developing and fighting his feelings for Zosia March which later resulted in a love triangle as she was dating colleague, Sebastian Coulter.. This Pin was discovered by Lyuda C. Discover (and save!) your own Pins on Pinterest.. What others are saying The cake tastes like a slice of caramel, topped with hazelnuts. So bomb! Add it to the list of things to try Dulce de Leche Cake, This cake is one of the best cakes I had..