Rebecca Gibney and Peter O'Brien in The Killing Field.
Rebecca Gibney and Peter O'Brien in The Killing Field. Channel 7

After 15 years apart Gibney and O'Brien still have chemistry

MISSING girl leads to the unexpected discovery of a possible serial killer in Seven's new telemovie The Killing Field.

The mystery thriller stars Rebecca Gibney and Peter O'Brien, together on screen for the first time in 15 years since Halifax f.p.

They play two detectives leading a task force charged with solving the mystery of five bodies found in a field in the small town of Mingara.

"I have run into him socially, but because so much time has gone by I thought 'Oh my God, how are we going to get on'," Gibney told The Guide.

"The day he walked in the door for the auditions it was like I saw him yesterday."

At the request of her former flame, Detective Inspector Lachlan McKenzie (O'Brien), Gibney's Eve Winter leaves her desk job to help solve the case.

"We didn't want the telemovie to end up focusing too heavily on what had gone on before (between them)," she said.

"We want people to go 'Oh, what's going on here?

"Will they or won't they get back together?'

"It's really a whodunit."

It's Gibney's first role since family drama Packed to the Rafters and she also serves as co-producer on The Killing Field.

"For me, particularly at my age, it's imperative I create opportunities for myself," she said.

"I can't just sit back and rest on my laurels. It's difficult for women to get great roles in their 40s.

"I'm a woman who wants to see women my age on television. We're still very vital; we still have opinions and I refuse to be invisible."

If all goes well with The Killing Field, there will be no risk of Gibney fading into the background as she hopes to expand the telemovie into a six-part mini-series.

"With the success of shows like Broadchurch and The Bridge, (it shows) people can invest the time into short-run series," she said.

"Long-running stuff seems to be more difficult for people to devote their time to. The return of the mini-series is a good thing; it's drawing people back into drama."

The Killing Field airs tonight on Channel 7 at 8.40pm

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