Lion King 3:Scar Return ius a Midquel Before Lion King 2: Simba's Pride & After Lion King & Lion King 1/2.
- Matthew Broderick as Simba, son of Mufasa and Sarabi, who grows up to become King of the Pride Lands. Joseph Williams provided adult Simba's singing voice. Mark Henn and Ruben A. Aquino respectively served as the supervising animators for young and adult Simba.
- James Earl Jones as Mufasa, Simba's father, King of the Pride Lands as the film begins. Tony Fucile served as the supervising animator for Mufasa.
- Jeremy Irons as Scar, Mufasa's younger brother and Simba's uncle & He's The Leader of Scarlanders, who usurps the throne. Andreas Deja served as the supervising animator for Scar.
- Moira Kelly as Nala, Simba's best friend and later his wife. Sally Dworsky provided her singing voice. Aaron Blaise and Anthony de Rosa respectively served as the supervising animators for young and adult Nala.
- Nathan Lane as Timon, a wise-cracking and self-absorbed meerkat. Michael Surrey served as his supervising animator.
- Ernie Sabella as Pumbaa, a naive warthog who suffers from flatulence and is Timon's best friend. Tony Bancroft served as his supervising animator.
- Robert Guillaume as Rafiki, a wise old mandrill (although, while counseling Simba, he jokes that "you are a baboon, and I am not") who serves as shaman of the Pride Lands and presents newborn cubs of the King and Queen to the animals of the Pride Lands. James Baxter served as the supervising animator for Rafiki.
- Rowan Atkinson as Zazu, a hornbill who serves as the king's majordomo. Ellen Woodbury served as the supervising animator for Zazu.
- Christine Cavanaugh as Frirvah, Scar's Daughter & She's a Scarlanders Just Like Her Father.
- Hironori Miyata as Zukka, Scar's 1st Son Who is the Chosen One & He's a Scarlander. Hironori Miyata Always Speak English & Japanese for Zukka.
- Kirk Thornton as Xonvu, Scar's 2nt Son Who is the Chosen One as Well.
- Tony Jay as Paka, The Outlander Version of Scar & Also Zira's Hansband.
- Kath Soucie as Sonnzey, a Half Self-absorbed Half Courageous Brown Hedgehog & She's a Half Boyfriend to Timon.
- Suzanne Pleshette as Zira, the leader of the Outsiders and Paka's most loyal follower and the mother of Nuka, Vitani, and Kovu.
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