Casting is underway for Liv's co-star in "Voltage" and some familiar faces show up for the auditions. Meanwhile, Karen arranges a "cleansing ceremony" for Maddie to help her let go of her feelings for Diggie.
- Dove Cameron as Liv and Maddie Rooney
- Tenzing Norgay Trainor as Parker Rooney
- Kali Rocha as Karen Rooney
- Benjamin King as Pete Rooney
- Jimmy Bellinger as Artie Smalls
- Jordan Fisher as Holden Dippledorf
- Lucas Adams as Josh Willcox
- Chloe Wepper as Gemma
- Emmy Buckner as Liv #2
- Shelby Wulfert as Maddie #2
- Joey Rooney is absent in this episode. It is Joey's first and only absence in the series.
- This may be the only episode that Artie appears in where he doesn't interact with Joey at all. In this case though, Joey is absent.
- Maddie got rid of the things Diggie gave her.
- Josh was casted as Garrison, Tess' love interest.
- Holden still has feelings for Liv.
- This is the first appearance of Artie Smalls, Josh Willcox, and Holden Dippledorf in Season 3.
- It is revealed Liv's band The Dream has broken up since Holden and Andie ended their relationship.
| To view the Co-Star-A-Rooney gallery, click here.