1st, what version of Quicktime do you have installed?
2nd, MOV is a wrapper... what is inside your wrapper?
Codec & Format information, read both links in reply #1 http://forums.adobe.com/thread/1270588
Report back with the codec details of your file, use the programs below... A screen shot works well to SHOW people what you are doing
http://forums.adobe.com/thread/592070?tstart=30 for screen shot instructions
Find file information for PC/Mac http://mediaarea.net/en/MediaInfo/Download