Decided to make a masterpost of English TLK voice actors* who can sing/carry a tune but never sang as their characters in canon:
*Some characters had speaking voices and singing voices in each of the same respective productions. This is about their main speaking voice actors.
(Post is subject to updates if more footage is found)
UPDATE 6/14/25: Footage found for Ma Tembo, Badili, Mjomba, Surak, and Chuluun's voice actors; Footage found for Simba's TLG voice actor. Thank you to HoraceTheBadger for finding footage for Ma Tembo.
UPDATE 10/27/25: On the 27th Anniversary of TLK 2, it was confirmed through production notes of the film that Meredith Scott Lynn did indeed voice Adult Vitani; Three more videos of Meredith Scott Lynn singing have been found.
Simba:
Matthew Broderick - (voice of Adult Simba in TLK 1, TLK 2, and TLK 1 ½ (aka TLK 3))
https://www.youtube.com/watch?v=BzTFOGrxrC8
https://youtu.be/kJenz1R9dHI?t=214
https://youtu.be/qyCZN0B49Yk?t=40
Rob Lowe - (voice of Adult Simba in TLG)
https://youtu.be/OPhB-oxBVoU?t=42
Nala:
Moira Kelly - (voice of Adult Nala in TLK 1, TLK 2, and TLK 1 ½ (aka TLK 3))
https://www.youtube.com/watch?v=Z0k1Lsa1pv0
Shenzi:
Whoopi Goldberg - (voice of Shenzi in TLK 1 and TLK 1 ½ (aka TLK 3))
https://www.youtube.com/watch?v=fD8zamxFKc4
Tress MacNeille (voice of Shenzi in T&P, Simba's Mighty Adventure, and Kingdom Hearts II)
https://www.youtube.com/watch?v=bfJXqE76oTs
Banzai:
Cheech Marin - (voice of Banzai in TLK 1 and TLK 1 ½ (aka TLK 3))
https://youtu.be/al5QAjCW4Bo
https://youtu.be/fNR7WJ3SW60
Kovu:
Jason Marsden - (voice of Adult Kovu in TLK 2 and Cub/Adult Kovu in TLG)
https://www.youtube.com/watch?v=_UslJbgepRo
https://www.youtube.com/watch?v=4DdxoLeZ2W8
https://www.youtube.com/watch?v=N5R4MNsbUoI
https://youtu.be/0dj7EVJ_mtA?t=16
Kiara:
Neve Campbell - (voice of Adult Kiara in TLK 2)
https://www.youtube.com/watch?v=iPBtx-INVdw
https://youtu.be/wFjibl2-arg?t=23
Vitani:
Lacey Chabert - (speaking voice of Cub Vitani in TLK 2 and Cub/Adult Vitani in TLG):
https://youtu.be/k0qieFOL0HA?t=16
https://youtu.be/FOmE7CSS4ig?t=49
https://youtu.be/gqeeRs2STZc?t=41
https://www.youtube.com/watch?v=Rj8mAYl_rMY
Meredith Scott Lynn - (voice of adult Vitani in TLK 2)
