Neighbours star Adam Hunter has spoken to Digital Spy about his days playing two different characters in the show.
The actor recently reprised his role as Paul Robinson's killer son Robert, who's still in prison for the crimes that he committed more than a decade ago.
In 2006, Adam also played the part of Robert's identical brother Cameron, but the character's time on Ramsay Street was only short as he died after being knocked over by Max Hoyland.
Speaking to Digital Spy about the challenge of portraying two characters at the same time, Adam laughed: "I get this question all the time. Most people want to know if I got double the pay!
Related: Neighbours star Adam Hunter hints at Robert Robinson changes in Christmas story
"Yes, it was challenging – they give you two lots of lines to learn, and then you have to play yourself against yourself in the room. At that point in time, I was in theatre and was capable of learning a lot of dialogue, but it doesn't make it any easier when you step in front of the camera.
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"It was exhausting and you have to really concentrate. It was good fun, though. I got to play two different characters and it's basically like two very weird versions of yourself."
Asked whether he thinks it's a shame that Cameron was killed off, Adam replied: "Not really, he was the weaker of the two. Cameron was the nice one and so unfortunately he had to go.
"I had more fun playing Robert and the writers had more fun writing him. Cameron was just there for the story, really, as they were twins. Cameron was just the one who had to go."
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Robert will be playing a central role in Neighbours' Christmas episodes this year, as he escapes from Erinsborough Hospital after agreeing to donate a kidney to his half-brother David Tanaka.
A new trailer released by the show has hinted that the plot is building to another big showdown between Robert and Paul.
On working with Stefan Dennis, who plays Paul, Adam added: "He's brilliant. He's got a heart of gold and I loved every minute of working with him again. He has great empathy as an actor and is very good at conveying emotion.
"If there is a scene that requires him to go a bit deeper, he can go there every single time. That is lovely to have on set and to work opposite that.
"He is a great actor to work with. Considering the history between the two characters, it is enjoyable to have someone who can show such depth and complexity."
Neighbours continues on Monday (December 23) at 11.20am and 6.05pm on Channel 5 (UK) and 6.30pm on 10 Peach (Australia).
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