The following NPCs can be found in Tirisfal Glades.
Questgivers
Horde
Ageron Kargal - Gallows' End Tavern, Brill
[10] Halgar's Summons
Alexi Barov <House of Barov>
[60] Barov Family Fortune (Dungeon)
[60] The Last Barov (PvP)
Apothecary Dithers - The Bulwark
[57] Skeletal Fragments
[57] Mold Rhymes With...
[60] Araj's Scarab (Raid)
Apothecary Johaan <Royal Apothecary Society> - Brill
[6] A New Plague (1)
[7] Fields of Grief (2)
[9] A New Plague (2)
[10] Delivery to Silverpine Forest
[11] A New Plague (3)
[11] A New Plague (4)
Austil de Mon <Warrior Trainer> - Gallows' End Tavern, Brill
[10] Speak with Dillinger
Cain Firesong <Mage Trainer> - Gallow's End Tavern, Brill
[10] Speak with Anastasia
Calvin Montague - Exit of Deathknell
[5] A Rogue's Deal
Coleman Farthing - Gallows' End Tavern, Brill
[10] The Haunted Mills
[10] Speak with Sevren
[11] Agamand Heirlooms
[11] Deaths in the Family
Dark Cleric Beryl <Priest Trainer> - Gallows' End Tavern, Brill
[4] Garments of Darkness
[10] Touch of Weakness
Dark Cleric Duesten <Priest Trainer>
Darkcaller Yanka (Hallow's End) - west of the Ruins of Lordaeron
[60] Rotten Eggs (PvP) (Hallow's End)
[60] Stinking Up Southshore (PvP)
Deathguard Burgess - Brill
[7] Proof of Demise
Deathguard Dillinger - Brill
[6] A Putrid Task
[8] The Mills Overrun
[10] Ulag the Cleaver
[10] Speak with Coleman
Deathguard Linnea - camp east of Brill
Deathguard Saltain - Deathknell
Deathguard Simmer - Exit of Deathknell
[7] Fields of Grief
Deathguard Tor (Love is in the Air)
Executor Arren - Deathknell
[4] Night Web's Hollow
[4] The Scarlet Crusade
[5] The Red Messenger
[5] Vital Intelligence
Executor Zygand - Brill
Gordo - Wandering between Deathknell and Brill
[5] Gordo's Task
Gretchen Dedmar - Gallows' End Tavern, Brill
Gunther Arcanus - Gunther's Retreat, Brightwater Lake
[12] Proving Allegiance
[12] The Prodigal Lich Returns
High Executor Derrington - The Bulwark
[53] Scarlet Diversions
[53] The Scourge Cauldrons
[55] Scholomance
[56] All Along the Watchtowers (Elite)
[60] Alas, Andorhal (Raid)
Junior Apothecary Holland <Royal Apothecary Society> - Brill
[6] Doom Weed
Magistrate Sevren - Brill Town Hall
[8] Graverobbers
[8] The Prodigal Lich
[9] Forsaken Duties
[13] The Family Crypt
[16] Raleigh and the Undercity
Marion Call <Rogue Trainer> - Gallows' End Tavern, Brill
[10] Mennet Carkad
Mehlar Dawnblade - The Bulwark
[58] The So-Called Mark of the Lightbringer
[58] Defiling Uther's Tomb (PvP)
Mickey Levine - The Bulwark
[55] A Plague Upon Thee
[55] A Plague Upon Thee
Novice Elreth - Deathknell
[2] The Damned
[5] Marla's Last Wish
Shadow Priest Sarvis - Deathknell
[1] Encrypted Scroll (Forsaken)
[1] Glyphic Scroll (Forsaken)
[1] Hallowed Scroll (Forsaken)
[1] Simple Scroll (Forsaken)
[1] Tainted Scroll (Forsaken)
[2] The Mindless Ones
[3] Rattling the Rattlecages
Shadow Priestess Vandis - The Bulwark
Undertaker Mordo - Deathknell
[1] Rude Awakening
Venya Marthand - Deathknell
Neutral
Argent Officer Garush <The Argent Dawn> - The Bulwark
Argent Quartermaster Hasana <The Argent Dawn> - The Bulwark
[60] Mantles of the Dawn
Elder Graveborn (Lunar Festival)
Wonderform Operator <Smokywood Pastures> (Feast of Winter Veil)
Class Trainers
Horde
Austil de Mon <Warrior Trainer>
Dannal Stern <Warrior Trainer>
Cain Firesong <Mage Trainer>
Isabella <Mage Trainer>
Dark Cleric Beryl <Priest Trainer>
Dark Cleric Duesten <Priest Trainer>
Marion Call <Rogue Trainer>
David Trias <Rogue Trainer>
Rupert Boch <Warlock Trainer>
Maximillion <Warlock Trainer>
Gina Lang <Demon Trainer>
Kayla Smithe <Demon Trainer>
Profession (Tradeskill) Trainers
Horde
Bowen Brisboise <Tailoring Trainer>
Carolai Anise <Alchemy Trainer>
Clyde Kellen <Fishing Trainer>
Faruza <Herbalism Trainer>
Nurse Neela <First Aid Trainer>
Rand Rhobart <Skinning Trainer>
Shelene Rhobart <Leatherworking Trainer>
Vance Undergloom <Enchanting Trainer>
Merchants
Horde
Abe Winters <Apprentice Armorer>
Abigail Shiel <Trade Supplies>
Archibald Kava <Cloth & Leather Armor Merchant>
Blacksmith Rand <Apprentice Armorer>
Constance Brisboise <Apprentice Clothier>
Eliza Callen <Leather Armor Merchant>
Hamlin Atkins <Mushroom Farmer>
Harold Raims <Apprentice Weaponsmith>
Innkeeper Renee <Innkeeper>
Joshua Kien <General Supplies>
Martine Tramblay <Fishing Supplies>
Mrs. Winters <General Supplies>
Oliver Dwor <Apprentice Weaponsmith>
Selina Weston <Alchemy & Herbalism Supplies>
Werg Thickblade <Leatherworking Supplies>
Zachariah Post <Undead Horse Merchant>
William Saldean <Bread Vendor>
Various Services
Horde
Deathguard Bartholomew - (Directions)
Deathguard Burgess - (Directions)
Deathguard Cyrus - (Directions)
Deathguard Dillinger - (Directions)
Deathguard Gavin - (Directions)
Deathguard Lawrence - (Directions)
Deathguard Lundmark - (Directions)
Deathguard Morris - (Directions)
Deathguard Mort - (Directions)
Deathguard Royann - (Directions)
Deathguard Terrence - (Directions)
Innkeeper Renee <Innkeeper>
Morganus <Stable Master>
Velma Warnam <Riding Trainer>
Captured Mountaineer
Captured Scarlet Zealot
Neutral
Hin Denburg <Zeppelin Master> (Grom'Gol Directions)
Wonderform Operator <Smokywood Pastures> (Feast of Winter Veil)
Zapetta <Zeppelin Master> (Orgrimmar Directions)
Meefi Farthrottle <Zeppelin Master> (Vengeance Landing Directions)