We describe how to probe new physics through large CP violation effects and
non--standard Z-t-t couplings via the scattering process e^-e^+ -> t tbar.
[Talk presented at the Workshop on Physics and Experiments with Linear e+e−
Colliders, Waikoloa, Hawaii, 26-30 April 1993.]Comment: 4 pages, TeXsis, MSUTH 93/0