Know Thy Enemy The Vampire Diaries 2 17 3774221 562151 1065020140 tt1636347 3774221 8.4 14 0 Elena and Alaric both lash out at John when Isobel’s unexpected arrival leaves Jenna devastated. Bonnie works with Damon and Jeremy to find the spell they’ll need to harness her ancestors’ power. A heartbroken Caroline doesn’t know what to do about Matt. Stefan and Damon realize they have a new secret weapon. 41 https://image.tmdb.org/t/p/w1280/lP7xv2HrNCgy8MdggcqWudsJbBM.jpg 2011-04-07 2011-04-07 false 0 The CW Warner Bros. Television Alloy Entertainment Outerbanks Entertainment Bonanza Productions CBS Studios Brian Young L.J. Smith Wendey Stanzler Nina Dobrev Elena Gilbert / Katherine Pierce https://image.tmdb.org/t/p/h632/9yRpKj2N4jADEkWe4sm4MT5W080.jpg https://www.themoviedb.org/person/19961 19961 Paul Wesley Stefan Salvatore https://image.tmdb.org/t/p/h632/xpS6HhvVvNt7sS4UFCb8MEU6K3T.jpg https://www.themoviedb.org/person/83141 83141 Ian Somerhalder Damon Salvatore https://image.tmdb.org/t/p/h632/x0pfPTV0ryFmhz4fju3Depx4NLp.jpg https://www.themoviedb.org/person/19211 19211 Steven R. McQueen Jeremy Gilbert https://image.tmdb.org/t/p/h632/y07CdWjGxsDU5qiukWpSEFDZT91.jpg https://www.themoviedb.org/person/88699 88699 Sara Canning Jenna Sommers https://image.tmdb.org/t/p/h632/55AL7y8ybTE7uvpQALughR7bkkB.jpg https://www.themoviedb.org/person/221840 221840 Kat Graham Bonnie Bennett https://image.tmdb.org/t/p/h632/gZb5Xz2eKZqDy4hXgTEtvyTvRq4.jpg https://www.themoviedb.org/person/159962 159962 Candice King Caroline Forbes https://image.tmdb.org/t/p/h632/qy290E0X2o1NZwhGyiGSmMi1tyB.jpg https://www.themoviedb.org/person/85144 85144 Zach Roerig Matt Donovan https://image.tmdb.org/t/p/h632/fjNS8QTDnGsuoOz66aP6JlN93FQ.jpg https://www.themoviedb.org/person/221841 221841 Michael Trevino Tyler Lockwood https://image.tmdb.org/t/p/h632/oeiwIwNVk2yRpndp8gxtSFMEfDO.jpg https://www.themoviedb.org/person/113928 113928 Matthew Davis Alaric Saltzman https://image.tmdb.org/t/p/h632/9QsCJBQ45iR5R36F0LAuzvY1zuO.jpg https://www.themoviedb.org/person/56045 56045 Mia Kirshner https://image.tmdb.org/t/p/h632/xwpl37yvx2YxDQzy1eQbvaIDcuw.jpg https://www.themoviedb.org/person/18658 GuestStar 18658 Michael Roark Cowboy https://image.tmdb.org/t/p/h632/9J2tP7yKXCPmAIfDC1Dpw1Ll66q.jpg https://www.themoviedb.org/person/1447863 GuestStar 1447863 Marguerite MacIntyre Sheriff Liz Forbes https://image.tmdb.org/t/p/h632/ignfCe6NuP6aioyDACoaRX1WryO.jpg https://www.themoviedb.org/person/166566 GuestStar 166566 David Anders John Gilbert https://image.tmdb.org/t/p/h632/nSVsfO40e9HLjTN4aA8ifQVtFMv.jpg https://www.themoviedb.org/person/40632 GuestStar 40632 2025-11-12 18:22:21 UNKNOWN NONE The Vampire Diaries S02E17 Know Thy Enemy.mp4 Know Thy Enemy