Hi,
You can mount a ntfs partition natively although the write support has lots of caveats with it :
/sbin/modprobe ntfs
mount /dev/hda1 -t ntfs -o ro /mnt/ntfs
(where /dev/hda1 is an example of a target ntfs partition and /mnt/ntfs is a pre-existing mount point - create as mkdir /mnt/ntfs is necessary).
On samba, if the ntfs partition is on a windows server its all transparent because the smb (server message block) protocol is used which is the same irresepective of the underlying 'real' filesystem.
However, if you mean to host a ntfs partition on a linux samba server, that can be done but the write support is still described as 'experimental' so I wouldn't think its much use for a production system!
Hope this helps