- Mandy Moore as Rapunzel
- Eden Espinosa as Cassandra
- Hudson D'Andrea as Little Cassandra
- Donna Murphy as Mother Gothel
- Jennifer Veal as Zhan Tiri
- Parker Bates as Seth
- Ramone Hamilton as Kid
- Dee Bradley Baker as Baby Mole
- The episode title shared with the Once Upon a Time episode "A Tale of Two Sisters".
- Rapunzel makes a reference to her past encounters with Ruthless Ruth and the Dark Kings in "The Wrath of Ruthless Ruth" and "Destinies Collide".
- This is the third episode where Eugene does not make an appearance following "The Wrath of Ruthless Ruth" and "Day of the Animals".
- One of Gothel's notes on the Sun Drop, its Healing Incantation and the Moonstone appears to be a self made copy of the Demanitus Scroll.
- Cassandra's cape looks very similar to Gothel's signer cloak.
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