The Lion Guard: The Secret Hollows

The Lion Guard: The Secret Hollows is an upcoming American-South Korean film based on the Disney Junior television series of the same name, co-produced by Walt Disney Pictures and Mercury Filmworks, and distributed by Walt Disney Studios Motion Pictures. It is the sequel to The Lion Guard: The Wrath of Scar, and the fifth installment of the Lion Guard reboot series. The film will be directed by Howy Parkins and Tom Deroiser, written by Krista Tucker, Jack Monaco, Elise Allen, Don Gillies, John Loy, and Kendall Michele Haney, and will star the voice talents of Max Charles, Dusan Brown, Atticus Shaffer, Joshua Rush, Diamond White, Gary Anthony Williams, Rob Lowe, David Oyelowo, Khary Payton, Christopher Jackson, Eden Riegel, Ernie Sabella, Kevin Schon, Madison Pettis, Bailey Gambertoglio, AJ McLean, Maia Mitchell, Landry Bender, and Gabrielle Union.

Synopsis
When the Lion Guard confront Scar face-to-face for the first time while collecting volcantic ash from the Outlands to cure Simba's scorpion sting, they must team up with their allies and attempt to defeat Scar once and for all, as he plans to take over more of the Pride Lands.

Voice cast
A lion cub, who is Simba and Nala's son, Mufasa's grandson, Kiara's younger brother, the Prince of the Pride Lands, and the leader of the Lion Guard as well as its fiercest member. As leader of the Guard, Kion possesses an intensely powerful ability known as the Roar of the Elders bestowed by the great lions of the past. A happy-go-lucky and enthusiastic hippopotamus, who is the strongest member of the Lion Guard and Kion's friend. A cattle egret, who is the keenest of sight of the Lion Guard and Kion's friend. A dimwitted honey badger, who is the bravest member of the Lion Guard. He is also Timon and Pumbaa's adoptive nephew and Kion's best friend. A cheetah cub, who is the fastest member of the Lion Guard, the only female member, Kion's friend and second-in-command. She also dislikes baboons and getting wet. A deceased lion, who is Kion's grandfather, Simba's father, and the former King of Pride Rock. Since his death after being killed into a wildebeest stampede orchestrated by Scar, Mufasa lives on as a spirit that gives Kion advice on how to get through any tough plight. A lion, who is the King of Pride Rock, Nala's mate, Kion and Kiara's overprotective father, Mufasa's son, and the reserve leader of the Lion Guard. Simba's deceased uncle, Kion and Kiara's great-uncle, and Mufasa's younger brother. Scar was once the leader of a Lion Guard before Kion and also had the Roar of the Elders, but the power went to his head and he began to believe that he should be king instead of Mufasa. He lost the Roar after he used it to destroy his fellow Lion Guard members when they refused to help him overthrow Mufasa. Later in life, he orchestrated his brother's death with the help of his hyena henchmen. After being defeated by Simba in a vicious fight, he was mauled to death by the hyenas when he tried to pin the blame of Mufasa's death on them. By the beginning of The Wrath of Scar, Kion unknowingly summoned Scar back as a fiery spirit in the Outlands' volcano after he used the Roar in anger when Janja provoked him. An old mandrill, who is the adviser of Pride Rock. A grumpy and short-tempered aardvark. A giant western lowland gorilla, who is King Sokwe's warrior. He was send by Sokwe to help the Lion Guard defend the Pride Lands from the Outlanders' attacks. A lioness cub, who is the Princess of Pride Rock, Kion's older sister, Simba and Nala's daughter. Simba and Timon's warm-hearted common warthog friend. Pumbaa is Bunga's adoptive uncle. Simba and Pumbaa's wisecracking meerkat friend. Timon is Bunga's other adoptive uncle. A handsome yet dimwitted plains zebra, who is the leader of the herd in Chakula Plains. An unintelligent spotted hyena with a slightly heavier build than the other hyenas, who is one of Janja's right-hand henchmen. A young plains zebra, who is Raha's twin sister, and a member of Dhahabu's herd in the Back Lands. A young plains zebra, who is Starehe's twin brother, and a member of Dhahabu's herd in the Back Lands. A cream-colored African leopard living in the Back Lands. An old black rhinoceros, who is the leader of his crash. A brown greater galago, who is the leader of her troop in Ndefu Grove. A veiled chameleon, who helps the Lion Guard by spying on Scar in the Outlands. A sneaky fire skink, who is the leader of the group. She dislikes being close to Pride Rock. An African bush elephant with a torn-off tusk, who is the leader of her herd in Kilio Valley. A blind golden mole, who lives underground, and teaches Tiifu that there is nothing to fear. A spunky spotted hyena in the Outlands, who is the leader of her clan. When she learns from Kion that Scar has returned, she forms up the Hyena Resistance to defend the Outlands. A Nile crocodile, who is the leader of the Pride Lands' float. A stubborn sable antelope, who is the leader of the herd, and values polite behavior. A plains zebra with golden stripes, who is the leader of the herd in the Back Lands. An African spurred tortoise, who is the oldest and wisest animal in the Pride Lands. A excitable young mandrill, who is Rafiki's apprentice. A lioness, who is the Queen of Pride Rock, Simba's mate, and Kiara and Kion's mother. Several voice personalities and comedians will reprise their roles in Lion Guard roles, including Madison Pettis as Kiara's best friend Zuri; Dee Bradley Baker as Masikio, a red rock hare, who is the leader of his group; Alex Cartana as Twiga, a Masai giraffe, who is the leader of her herd in Acacia Grove; Maurice LaMarche as Kifaru, a white rhinoceros part of Kifaru's crash; Nick Watt as Zito, an impatient elephant part of Ma Tembo's herd; Erica Luttrell as Boboka, a sable antelope part of Bupu's herd; Maisie Klompus as Jasiri's skeptical sister Madoa; Justin Felinger as Mtoto, a young elephant part of Ma Tembo's herd; Russi Taylor as Mbuni, a common ostrich, who is the leader of her flock; and Kevin Michael Richardson as Beshte's father Basi.
 * Max Charles as Kion
 * Dusan Brown as Beshte
 * Atticus Shaffer as Ono
 * Joshua Rush as Bunga
 * Diamond White as Fuli
 * Gary Anthony Williams as Mufasa
 * Rob Lowe as Simba
 * David Oyelowo as Scar
 * Khary Payton as:
 * Rafiki
 * Muhangus
 * Christopher Jackson as Shujaa
 * Eden Riegel as Kiara
 * Ernie Sabella as Pumbaa
 * Kevin Schon as:
 * Timon
 * Thurston
 * Chungu
 * Raini Rodriguez as Starehe
 * Rico Rodriguez as Raha
 * Steve Blum as Makucha
 * Howy Parkins as Mbeya
 * Meghan Strange as:
 * Laini
 * Kinyonga
 * Shupavu
 * Lynette Dupree as Ma Tembo
 * AJ McLean as Kuchimba
 * Maia Mitchell as Jasiri
 * Blair Underwood as Makuu
 * Michael Dorn as Bupu
 * Renée Elise Goldsberry as Dhahabu
 * CCH Pounder as Kongwe
 * Landry Bender as Makini
 * Gabrielle Union as Nala

When the Lion Guard come face-to-face with Scar for the first time, his army of Outlanders, known as the "Army of Scar", includes Christian Slater as Ushari, Andrew Kishino as Janja, Ana Gasteyer as Reirei, Common as Kiburi, Jonny Rees as Mzingo, Vargus Mason as Cheezi, Phil LaMarr as Goigoi, Jacob Guenther as Dogo's brothers, Nolan North as Tamka, Jorge Diaz as Nduli, Cam Clarke as Mwoga, and Ford Riley as Sumu and Njano.

Bailey Gambertoglio will voice Kiara's other best friend Tiifu. Gambertoglio replaces Sarah Hyland, who has undergone 16 surgeries to improve her health, including numerous kidney surgeries and a laparoscopic surgery to treat her endometriosis since her birth.

Production
On 25 March 2019, following the release of The Lion Guard episode "The Fall of Mizimu Grove", writer Kendall Michele Haney revealed that the television series starting with "Return of the Roar" would kick off an "epic serialized story" which will last through to the end of Season 3, dividing it into seven films.

The film will feature Season 2 episodes 17-27: "The Scorpion's Sting", "The Wisdom of Kongwe", "The Kilio Valley Fire", "Undercover Kinyonga", "Cave of Secrets", "The Zebra Mastermind", "The Hyena Resistance", "The Underground Adventure", "Beshte and the Beast", "Pride Landers Unite!", and "The Queen's Visit".