Aged 12, she discovered her passion for acting in form 2 musical, Cinderella.
As her father worked in the postal service, she grew up in small towns such as Balclutha, Winton and Darfield.
So it is not surprising she enjoys taking her one-woman and special productions on tour to small towns.
Meeting Karpovsky, which also stars dancer Sir Jon Trimmer, is touring small towns in the lower South Island for the first time this month as part of Arts on Tour.
''This will be the last tour I think, it's a big one. Jon is 74 and I'm 67. Touring like this is quite exhausting.''
Meeting Karpovsky tells the story of Sylvia, a woman who once travelled the world visiting ballet theatres.
Now she spends time alone in her attic, filled with her daughter's unwanted possessions, and photographs of her favourite ballet dancer, Alexander Karpovsky, whom she has seen dance 127 times.
Then one day the silent Karpovsky mysteriously appears and teaches her to dance and to live.
''It's an uplifting story. I love doing it.''
The work came about after Ms Moulder worked with Sir Jon on ''kidult'' television show Fireraiser, by Maurice Gee.
''I always wanted to work with him on stage and it got to the point people said to me: 'For goodness sake write him a letter'.''
So she thought up the basic idea of a story around a woman who liked ballet and mysteriously a famous dancer would appear to help her through something.
''So I sent him a letter and he showed it to the ballet company and they gave him time to work on it.''
It was a dream come true for Ms Moulder as not only did she get to work on stage with Sir Jon but dance with him as well.
''I saw Jon dance Petrouchka when I was just 21 and I never dreamed then I'd be working with him, let alone dancing with him.''
The production opened in 2002 at the Court Theatre and had a season at Circa in 2003 before being toured around the North Island and top of the South Island in 2004.
The play won Listener Best Play in 2004 and won Ms Moulder the Chapman Tripp Actress of the Year award.
''I've been waiting for some years to do it again but Jon has been so busy ... this year is it.''
Theatre director Sue Rider, who is based in Brisbane but has returned to New Zealand for the tour, said it had been a ''joy and a privilege'' to share in the continuing creation of Meeting Karpovsky, as two of New Zealand's finest senior performing artists further evolve a form of expression which combines their strengths and distinctive art forms. ''On one hand, this is a simple story of a woman and a dancer.
''On the other [hand], it is a delicate journey through shifting contrasts - movement and stillness, silence and chatter, fantasy and reality, awkwardness and grace - towards the balance that comes with wisdom and the courage to face the truth,'' Ms Rider said.
It was during a tour of small towns that Ms Moulder was inspired to create her own one-woman plays.
''I started creating them after Jon kept pointing out these halls in the middle of a paddock where he had danced. I thought I'd like to do that. He inspired me to do that.''
Now Ms Moulder tours with productions such as Miss Havisham which she brought to Dunedin and next year she would bring her production Gloria's Handbag to the city.
