Seasoned actor Rebecca Gibney has a silver Logie under her belt and an endless list of television and film credits to her name, but she feels uneasy.

The New Zealander is about to make her theatre debut, exposing herself to a live audience with no cuts or re-takes.

"The exposure for me is getting on stage in the first place," Gibney said from Melbourne.

Prior to this Gibney's only other stage experience was in the Happy Days: The Arena Mega Musical in 1999.

"The hard thing is I suffer a bit of stage fright!"

Gibney will star in Mum's The Word 2: Teenagers alongside some of Australia's most famous mums - Marg Downey, Jane Hall, Collette Mann and Louise Siversen.

The show will give theatre-goers a comic insight into the lives of five women experiencing the raging hormones of their teenage children.

After 10 years of international success, the Canadian creators of Mum's The Word decided it was time to follow up the smash hit play, hence the sequel.

Gibney plays character Alison, who is stunned when she catches her teenage son in the act with his girlfriend.

Looking forward, Gibney dreads the day she finds her two-and-a-half-year-old son Zachary in the experimental stages of adolescence.

"I mean seriously how do you deal with this girl walking around in your teenage son's t-shirt?" Gibney said.

"It's all this stuff I have been thinking about. My son is only two-and-a-half years old and I keep thinking this is all the stuff I have to look forward to!"

From Flying Doctors to All Together Now and Stingers, Gibney was shocked recently while filming Nightmares and Dreamscapes: From the Stories of Stephen King.

In the episode she plays the mother of actor Ron Livingstone and ET - the Extra Terrestrial star Henry Thomas and ages from 25 to 64.

"I had to age and it was fascinating, but scary because I got to see what I will possibly look like in 20-years," Gibney said.

"I still look at myself and go, `Oh my god I have to maybe try and get rid of that wrinkle'... I might bring the wrinkle back in fashion, make it fashionable to have crows feet," she jokes.

"I guess they aren't that bad and I have earned every single one of them so what the hell!"

Mum's The Word 2: Teenagers opens at Melbourne's The Comedy Theatre on August 31, but before then Gibney will tackle scenes for new Network Ten drama Tripping Over.

She also admits another child might be on the horizon.

"I love it (motherhood). It's the best job out there," she said.

"I am sliding towards 42 so sometimes think, `Am I bit past it?' (having another child), but if something happens, fantastic; if it doesn't, fantastic.

"It's something that we talk about - but it's a maybe."