Her initial first casting didn't went very well as she was teething. She got invited for a second casting, meeting the actors and directors and impressed with her calm and relaxed personality.
For a 10 second scene where she had to be sleeping in her crib, it took 3 1/2 hours to get her to sleep. The whole production came to a hold in order to get Olivia to take her nap.
Olivia learned walking during her time at Dansegarderoben. She was close to 10 months when she did her first steps, walking down the hallway of the film studio.
Olivia loved bananas, so the film crew always made sure to have bananas on set. One day, a runner had to go to the supermarket to buy more bananas for the little crew member.