Texas ERCharacters John Carter Kerry Weaver Abby Lockhart Luka Kovač Mark Greene Peter Benton Robert Romano Elizabeth Corday Susan Lewis Greg Pratt Carol Hathaway Neela Rasgotra Samantha Taggart Jing-Mei Chen Doug Ross Jeanie Boulet Tony Gates Cleo Finch Dave Malucci Lucy Knight Anna Del Amico Catherine Banfield Seasons 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Episodes "24 Hours" "Love's Labor Lost" "Motherhood" "Hell and High Water" "Ambush" "The Show Must Go On" "Strange Bedfellows" "No Place to Hide" "There Are No Angels Here" "Twenty-One Guns" "And in the End..." Related Cast Awards and nominations