1. Dwayne "The Rock" Johnson
He played: Himself — Miley and Lilly give him a makeover.
Where you know him from: He was a professional WWE wrestler and has been in the Fast and Furious and Jumanji franchises, along with a bunch of other movies.
2. Brooke Shields
She played: Susan Stewart — Miley's mom, who died when Miley was a kid.
Where you know her from: She's been in plenty of movies and shows, including Pretty Baby, Blue Lagoon, Endless Love, Lipstick Jungle, and Suddenly Susan.
3. John Cena
He played: Himself — he tried to give Jackson some real-life motivation.
Where you know him from: He's a professional WWE wrestler and has appeared in movies like Blockers, Trainwreck, and Bumblebee.
4. Dr. Phil McGraw
He played: Himself — Miley hallucinated him sitting next to her while she listened to his radio show in the car.
Where you know him from: He's the host and clinical psychologist on the show Dr. Phil.
5. Ray Liotta
He played: Principal Luger — Miley's school principal, who was also a big Hannah Montana fan.
Where you know him from: He's been in a ton of movies and TV shows, including Goodfellas, Something Wild, Field of Dreams, Texas Rising, The Rat Pack, and Shades of Blue.
6. Dolly Parton
She played: Aunt Dolly — Miley's aunt and godmother.
Where you know her from: She's a country music legend, duh.
7. Joey Fatone
He played: Joey Vitolo — an ex–baseball player who owned an Italian restaurant in Pasadena, California.
Where you know him from: He was in NSYNC.
8. Alison Brie
She played: Nina — a novice hairdresser whom Oliver, Jackson, and Rico had a crush on.
Where you know her from: She's been on shows like Community, Glow, BoJack Horseman, and Mad Men.
9. Austin Butler
He played: Derek Hanson — Miley's blind date who apparently hated horror movies.
Where you know him from: He was in The Carrie Diaries, Switched at Birth, Zoey 101, and Once Upon a Time in Hollywood and will be playing Elvis in an upcoming biopic.
10. Sheryl Crow
She played: Herself — she and Hannah sang together on a Christmas sketch show.
Where you know her from: She's a singer-songwriter best known for songs like "All I Wanna Do," "If It Makes You Happy," and "Everyday Is a Winding Road."
11. Vicki Lawrence
She played: Mamaw Ruthie — Miley and Jackson's grandma and Robby Ray's mom.
Where you know her from: She played various roles on The Carol Burnett Show and Mama's Family and most recently starred on The Cool Kids.
12. David Koechner
He played: Uncle Earl — Miley and Jackson's ~wacky~ uncle.
Where you know him from: He's appeared in a ton of TV and film like The Office, Anchorman, Talladega Nights, Bless This Mess, The Goldbergs, and Saturday Night Live.
13. Heather Locklear
She played: Heather Truscott — Lilly's mom.
Where you know her from: She was on shows like Melrose Place, T.J. Hooker, Spin City, Hot in Cleveland, and Franklin & Bash.
14. Kat Graham
She played: Allison — one of Jackson's girlfriends.
Where you know her from: She played Bonnie Bennett on The Vampire Diaries.
15. Donny Osmond
He played: Himself — he was the auctioneer at the Stars Saving Our Beaches benefit.
Where you know him from: In the '70s he performed in a band with his older brothers called The Osmonds. He also recorded the song "I'll Make a Man Out of You" for Disney's Mulan.
16. Ray Romano
He played: Himself — he was being auctioned off at the Stars Saving Our Beaches benefit, and Hannah had no idea who he was.
Where you know him from: He's best known for his sitcom Everybody Loves Raymond.
17. Jon Cryer
He played: Ken Truscott — Lilly's dad.
Where you know him from: He played Duckie in Pretty in Pink and starred in Two and a Half Men.
18. Larry David
He played: Himself — he couldn't get a table at a fancy restaurant because he wasn't famous enough.
Where you know him from: He created Seinfeld and Curb Your Enthusiasm, and he often appears on Saturday Night Live.
19. Jesse McCartney
He played: Himself — he and Hannah went out on a ~date~.
Where you know him from: He was on All My Children and was in the boy band Dream Street.
20. Gilbert Gottfried
He played: Barney Bittman — a music critic who came to review Hannah's concert.
Where you know him from: He starred on the sixth season of SNL and has voice-acted in a TON of movies and shows, including Aladdin, Cyberchase, and Teenage Mutant Ninja Turtles. He was also the voice of the Aflac duck until 2011!
21. Lisa Rinna
She played: Francesca — the cousin of Miley's next-door neighbor, who happens to be a big Robbie Ray fan.
Where you know her from: She acted in Days of Our Lives and Melrose Place and starred as herself in The Real Housewives of Beverly Hills.
22. Jay Leno
He played: Himself — Hannah Montana was a guest on his show and finally told the whole world her big secret.
Where you know him from: He was the host of NBC's Tonight Show With Jay Leno from 1992 to 2009.
23. Kelly Ripa
She played: Herself — she interviewed Miley.
Where you know her from: She was on All My Children and has been a cohost of Live! With Kelly and Ryan and all of its variations since 2001.