Based on their appearance on Star Wars Jedi Knight II - Jedi Outcast.

Jan Ors:
-Head from Bastila Shan
-Torso, Hands and Legs from Vel Sartha (Andor)
-Upper arms from Bix Caleen (Andor)
-Lower arms from Padmé Amidala
-Goggles from Hoth Leia
-DL-17 blaster rifle and Holster from Death Squad Commander

Kyle Katarn:
-Head from Cobb Vanth
-Torso and Arms from General Lando Calrissian
-Legs from The Client (The Mandalorian)
-Shoulderpad from Imperial Stormtrooper
-Lightsaber from Kanan Jarrus
-Bryar Pistol from Cassian Andor
-Hands from ANH Han Solo