Defender of the Horde

Written and directed by Equinox

Series One: The Nifty

Marvah and Quatermass played all the supporting characters

Series Two: Sacrifices

Marvah and Quatermass played all the supporting characters,
with the following exceptions:

Saffiy as the wounded soldier, a night elf,
and a Forsaken soldier

Ozer as the annoying Tauren

Tulmesh as the grumpy Warlock

Aliwa as the Argent Dawn agent

Blurgle as the Orc Captain and a pet wrangler

Avatum as an Undead coner
and a Forsaken soldier

Frie, Quake, Rustler, Tundrarunner, and Vanilla
as Outpost taurens and pet wranglers

Tweneth as an Echo Isles troll
and a Forsaken soldier

Cruxius, Jaral, Lumpy, Pauloo, and Sajek
as Echo Isles Trolls

Borack, Dushapakan, Torkal, and Vrushnak
as mounted soldiers

Cretine, Dimidiata, Judelyn, Juliard, Laertes, Naitera,
Olm, Shaytee, Toliak, Viserys, and Waltz
as Forsaken soldiers

Anthus, Dwarvinci, Emiyo, Kawakami, Ruglud, Skornd,
Solielle, Tashinka, and Windrose as pet wranglers

Series Three: Graves

Marvah and Quatermass as themselves

Sheva as Weathervain and a Gadgetzan tourist

Rustler as Clandon, Swan, and a pet wrangler

Ozer as Skywatcher, a bounty hunter,
a besieged blood elf, a dreg, and a pet wrangler

Gunderic as the SI:7 Agent, a Gadgetzan tourist,
an Argent Dawn agent, an enraged night elf, a warlock,
a Stormwind gossiper, a dreg, and a pet wrangler

Warluned as Backstab, a SI:7 Official, a Mulgore tresspasser,
an Argent Dawn agent, an enraged night elf,
a dreg, and a Stormwind gossiper

Marrika as the Night Elf Agitator, a SI:7 official,
a Mulgore tresspasser, a warlock, and a Stormwind gossiper

Vanilla as Bernard Massey, a female tauren,
and the main pet wrangler

Saffiy as Sniper, a Thunder Axe spy,
a bounty hunter, a warlock and a pet wrangler

Crais as The Ambassador

Kirzarra as The Sergeant

Tundrarunner as Overcast

Junarra as Guin'ness Stagecraft

Jullian as BOS

Julla, Scalpell, and Typheria as BOS's crash

Waltz as the Evil Apothecary and a Gadgetzan tourist

Dwarvinci as the Old Grifter and a bounty hunter

Frie as a Thunder Axe spy and a pet wrangler

Derenas as the Friendly Paladin and an Argent Dawn agent

Blurgle as a workshop warrior, a dreg, and a pet wrangler

Roija as a workshop warrior

Kaeth, Rolibar, Syphile, and Turrin
as Argent Dawn agents

Blackbart, Juliard, Lamori, Sidra, Vamp, and Williame
as the Forsaken mob

Taera and Shuamyl as Ratchet dregs

Nezpadi and Tygar as enraged night elves

Razyel and Verisimi as besieged blood elves

Melbogathra and Sekma as warlocks

Nicholai, Stolwort, and Tyfaros as bounty hunters

Anthus, Etsuko, Kalliades, Mahley,
Meranoth, Nezpadi, and Tiberius
as Infinite Loyalty and the Orgrimmar crowd

Anthus, Disme, Drekk, Elrin, Etsuko, 
Lorith, Mirien, Moonphaze, Senaya, Teskareth,
Twoclaws, Typheria, Verisimi, and Zetaa
as pet wranglers

Aliwa, Dibbler, Disme, Frie, Hatari, Hawktooth, Moonphaze, 
Nolgall, Spiritbear, Splinterhorn, Tundrarunner, and Vanilla
as the tauren cavalry and tauren mourners

Arote, Haethynkahr, Notoes, Olathe, and Twixx
as tauren cavalry

Anthus, Candana, Diemore, Dimidiata, Gazung, Gelanor,
Gundarbjarn, Juhla, Juliard, Julla, Junarra, Khadgor,
Liore, Lurtz, Mysyl, Nachtsturm, Nezpadi, Raphiel,
Relentless, Saiko, Scalpell, Selserene, Sendishana,
Shortchanged, Slynk, Soridstalker, Taera, Typheria,
Whitestrider, Williame, and Xancilhades as dregs

Various Stories: Northrend

Marvah played all the supporting characters,
with the following exceptions:

Quatermass as the hippie

Gully as the undead con artist

Williame as Nesingwary's assistant