Albanian (20??) : Ervin Bejleri (speaking) & David Campbell (singing - original version)
Brazilian : Cláudio Galvan (speaking & singing)
Bulgarian : Aleksandŭr Voronov / Александър Воронов (speaking) & Todor Georgiev / Тодор Георгиев (singing) [wikipedia]
Castilian : Manuel Feijoó (speaking) & Ferrán González (singing)
Croatian (20??) : Marko Torjanac (speaking) & David Campbell (singing - original version)
Czech : Martin France (speaking & singing)
Danish : Søren Laundbjerg (speaking & singing)
Dutch : Danny Rook (speaking & singing)
English : Ben Affleck (speaking) & David Campbell (singing)
Finnish : Tomi Metsäketo (speaking & singing)
French : Damien Boisseau (speaking) & Richard Rossignol (singing)
German : Benno Fürmann (speaking) & Matthias Pagani (singing)
Greek : Yiánnis Kalatzópoulos / Γιάννης Καλατζόπουλος (speaking) & Vasílis Tzaváras / Βασίλης Τζαβάρας (singing)
Hebrew : Ido Mosseri / עידו מוסרי (speaking & ?)
Hindi (20??) : ?
Hungarian : Miller Zoltán (speaking & singing)
Italian : Alessandro Quarta (speaking) & Roberto Stafoggia (singing)
Japanese : Hirata Hiroaki / 平田広明 (speaking & singing) [wikipedia]
Korean : ? (speaking) & David Campbell (singing - original version)
Latin Spanish : José Joel (speaking & singing)
Norwegian : Bård Steine (speaking & singing)
Portuguese : Carlos Macedo (speaking) & Henrique Feist (singing)
Swedish : Kristian Ståhlgren (speaking & singing)
Thai : ?
Turkish (20??) : ? (speaking) & David Campbell (singing - original version)
Ukrainian (201?) : ?

ANECDOTES
- Joseph, King of Dreams is considered a prequel to Dreamworks' The Prince of Egypt (1998).