The Characters in the Play are in alphabetical order. I'll List the Cast and see what book, TV show and movie they came from:
Old Man (Did I Ever Tell You How Lucky You Are?) - Narrator
Duckie (Did I Ever Tell You How Lucky You Are?) as Duckie
Vlad (Horton Hears a Who (2008)) as Vlad (Jim's minion)
Pinkie Pie (Young) (My Little Pony) as Young Carmen
Pinkie's Family (My Little Pony) as Carmen's Deceaded Family
Rainbow Dash (Equiestria Girls) as Kala
Dolores and Morries Nooly (The Guest) as Dolores and Morries Nooly (Kala's parents)
The CMC in their Play Costumes (My Little Pony) as Empress Anna (Scootaloo), Princess Yum Yum (Adoptive sister of Carmen) (Apple Bloom), and Queen Elsa (Sweetie Belle)
Luiz and Kipo (Rio) as Fluffy and Joe (Kala's pets)
Gogo (Yo Gabba Gabba!) as Gogo (Empress Anna's sister)
Zazu (The Lion King) as Zazu (Kala's Grand vizer)
Morton (Horton Hears a Who (2008)) as Young Tantor
Alpha, Gamma and Beta (Up) as Alpha, Gamma and Beta (Jim's second in-commands)
Pinkie Pie (My Little Pony) as Carmen
King Julien (Madagascar) as Lemur
Pinkie Pie as General Flash and Fluttershy as Admiral Fairy Flight (My Little Pony) as General Flash and Admiral Fairy Flight
Nigel (Rio) as Jim
Yeti (Rise of the Guardians) as Bumble (Jim's Pet)
Magic Mirror (Snow White) as Magic Mirror
Ratigan (The Great Mouse Detective) as Tantor
Mushu (Mulan) as Shang
Objects[]
Jim's video confrence in the opening - Hamsterviel's voideo confrence (Stitch! The Movie)
Jim's Box - Queen's Box (Snow White and the Seven Dwarfs)
Villians' defeats[]
Jim: Crushed by a rock thrown by Empress Anna after an avalanche gets sent by Shang
Vlad: Eaten by Kala in one singal bite
Bumble: Reforms after Jim's death
Magic Mirror: Once again says that Carmen is the fairest of them all after Shang's introduction