Charles "Trip" Tucker III (short for “Triple”, since he is the third generation of his family to be named Charles Tucker), portrayed by Connor Trinneer, in Enterprise.
Enterprise: Porthos, Captain Archer's Beagle
Your Kid Can Be The Captain Of This ‘Star Trek’ Enterprise Rocker
Jolene Blalock as T'Pol , Star Trek: Enterprise
Porthus and Archer, ST Enterprise. Promo shots. Two days and two nights. Porthos played by Breezy, Windy and Prada. attribution of animal actor info: http://www.startrek.com/article/porthos-had-it-ruff-on-enterprise