Question: Why did they recast Emily Watson's role in Amelie?
About the article "Amélie", section "Production".

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Mark Powley originally played Johnno but the role was recast in 2003 with Colin Wells.
Hollyoaks did not anticipate Johnno becoming a central character.
Powley could not renew his contract due to commitments in place to other projects.
A spokesperson for the show revealed that they were delighted to cast Wells in the role, but warned he would not be like the "lothario" character Jake Booth he previously played in rival soap opera "Crossroads". 
The character of Sienna was announced on 7 October 2012, with Emily Lawrance cast in the role.
However, the role was recast with Passey before the character made her on-screen debut.
Sienna is the twin sister of Dodger Savage (Danny Mac), the twin sibling Dodger never knew he had.
Passey made her first on-screen appearance as Sienna in the episode broadcast on 21 November 2012.  
 Amelie Chabannes, painter and sculptor.  
Salem lives in Los Angeles with her chocolate lab, Amelie. 
In 2007, "Neighbours" suffered a significant decline in ratings and plans were made to take the series into a 'back to basics' approach where storylines would become less controversial and return to the focus on relationships and family dynamics.
It was at this point that the character of Declan was created and actress Jane Hall would play his on-screen mother Rebecca Napier.
The characters were to create a family unit for then, already existing character Oliver Barnes (David Hoflin).
James Sorensen was cast as Declan in 2007 and his character appeared the same year.
After he had played the character for nearly three years Sorensen decided to quit the series to pursue a career outside of acting.
Instead of the character departing the series Five confirmed that a decision had been made to recast the role.
Erin Mullally was cast in the role and began filming immediately after Sorensen's departure from the production.
In a statement from the press office at Five, they stated: "As the character of Declan is extremely popular, and with some sensational storylines planned, it was decided that the character would be recast" Sorensen expressed his delight that his character would continue as a part of the series saying: "I'm really happy the character's going to continue because the producers and writers have given Declan some fantastic storylines.
I'm really proud he's become as popular as he has."
At the time it was noted that recasts have occurred repeatedly throughout the history of the programme, creator of "Neighbours", Reg Watson previously explained why he thought recasts were quintessential in the show saying: "I always believed it was a pity, when actors chose to leave a serial that the character should go as well.
A lot of time and money is invested in the character so we decided to recast if the character was important to the future of the storyline and the show itself."
It was this explanation that backed up Declan's recast.
Sorensen also explained that the hand-over process would be simple adding: "It'll be nothing over the top.
I'm Declan one day and the next day it's Erin.
Pretty simple.
That's how it works, I can't continue, so Erin comes in and picks up the baton.
I think it's easier for the viewers to accept when it's a simple change-over."
The recast had also upset fans of the character under the portrayal of Sorensen, in response to this he said: "Erin will come in and play his version of Declan, he can't play it exactly as I do and I and the producers would never expect him to do it any other way.
All I can say to the Declan supporters is that Erin will be terrific, give him a go, you'll be surprised."
Sorensen also felt that it would be strange to see Declan played by Mullally, saying: "Of course it will be strange to see someone playing the part that I started and basically created, it's been my life.
It's not just being Declan at the studio, I get 'Declan' on the street, at restaurants, everywhere.
Declan is me so to hand it over is difficult."
He also felt humble that viewers thought the character would not be the same played by another actor, adding: "I'm very humbled that a lot of people think that – I can understand why fans would feel that way because I starred as Declan for the past three years and that's all anyone knows.
"Mullally later stated he did not know he was auditioning for a recast, he also stated that he wasn't sure if he could be successful in the role to start with.
He also watched hours of footage of previous episodes to get an idea of how to portray Declan, then making a statement to Declan fans reading: "I'm sure that initially people will be quite confronted by a new face with the same character name – I'm not fooling myself about that.
But hopefully people will come to accept it."
Mullally has compared the two versions of Declan saying "One of the writers said to me in a meeting the other day that the changeover between James and me can be best described as James playing Declan as very strong, macho.
He liked to get into things and was very proactive.
"The new Declan is more grown up, quite mature and savvy.
He thinks with his head and knows what he wants and doesn't have to use brute force to get it."
During Rebecca's vision, Thomas Smith portrayed a six-year-old Declan.
In October 2010, it was announced that Mullally was to leave "Neighbours" along with three other members of the cast, Matthew Werkmeister (Zeke Kinski), Jane Hall (Rebecca Robinson) and Alia and Gabriella De Vercelli (India Napier).
On his decision to leave, Mullally said "I've had an absolute ball playing Declan, the guy has been through so much, he needs a rest.
I've made so many new friends but it will be my 'daughters' Alia and Gabriella (de Vercelli) I'll really miss, it has been wonderful to watch them grow and develop and be a part of their lives."