Let me add to the Epicness
Here is an interview with Teruaki Konishi
http://gamekyo.com/videoen13272_tales-of-symphonia-teruaki-konishi-s-interview.html
Half-way through the video is a scene with Collette, and judging from her voice, it appears that Heather Hogan is voicing Collette again.
"To love and to cherish, in sickness and in health, for as long you shall be resurrected from death in the church"