![Rosie Koster Portrait of Rosie Koster](http://actoragecheck.com/lost-image.jpg)
Movies (Acting Roles)
Sorted by Release Date![Occurrence at Mills Creek Poster of Occurrence at Mills Creek](http://actoragecheck.com/image/L3o1SFBwclZkaFh0SGE0RmVLZjhxV3c4UDh3VC5qcGcAACh231.jpg)
Occurrence at Mills Creek
Rosie Koster was
? in Occurrence at Mills Creek
as 'Dr. Alex'.
Sat, Sep 12 2020
![A Beautiful Day in the Neighborhood Poster of A Beautiful Day in the Neighborhood](http://actoragecheck.com/image/L3A5dkNBVmhESzM3NVh5b2JWY0txenF6c1VIRS5qcGcAACh231.jpg)
A Beautiful Day in the Neighborhood
Rosie Koster was
? in A Beautiful Day in the Neighborhood
as 'Esquire Employee (uncredited)'.
Sat, Sep 07 2019
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages