Tricia O'Neil (born 11 March 1945) is an American actor originally from Shreveport, Louisiana. Among her numerous TV guest and supporting roles she had several appearances on Star Trek: The Next Generation and Star Trek: Deep Space Nine. Perhaps the most notable of which being her role as Captain Rachel Garrett of the Enterprise-C in the fan favourite TNG episode ("Yesterday's Enterprise").
- Guest starring, Believers, (27 April 1994) - M'Ola
- Guest starring, In the Beginning, (4 January 1998) - President