Toy Story & The Lion King

Toy Story & The Lion King are both Disney movies.

Toy Story/The Lion King

 * Hamm as Mufasa
 * Bo Peep as Sarabi
 * Andy as Young Simba
 * Andy's Mom as Sarafina
 * Molly as Young Nala
 * Woody as Adult Simba (Woody and Simba are both main stars of the movie.)
 * Mr. Potato Head as Zazu
 * Bullseye as Timon
 * Rex as Pumbaa
 * Sid as Scar (Sid and Scar both have their names starting with "S")
 * Buzz Lightyear as Rafiki
 * Jessie as Adult Nala
 * Hannah as Shenzi
 * Al as Banzai
 * Prosepector as Ed
 * Mrs. Potato Head as Kiara
 * Wheezy as Kovu

The Lion King/Toy Story

 * Adult Simba as Woody
 * Rafiki as Buzz Lightyear
 * Mufasa as Hamm
 * Zazu as Mr. Potato Head
 * Pumbaa as Rex
 * Winnie The Pooh From (Winnie The Pooh) as Slinky Dog
 * Sarabi as Bo Peep
 * Young Simba as Andy
 * Scar as Sid (Scar and Sid both have their names starting with "S")
 * Adult Nala as Jessie
 * Timon as Bullseye
 * Myotismon From (Digimon) as Evil Emperor Zurg
 * and more