| Brady and Boomer, 16-year-old fraternal twins, are typical teens being raised by relatives in Chicago. But when the Royal Secretary to the Throne of the Island of Kinkou, arrives to inform the boys of their lineage, their lives change drastically. Now, Brady and Boomer must relocate and claim the throne as joint Kings of the island. |
| Name | Character | Episodes |
|---|---|---|
| Kelsey Asbille | Mikayla Makoola | 69 |
| Geno Segers | Mason Makoola | 69 |
| Doc Shaw | Boome Parker | 69 |
| Ryan Ochoa | Lanny Parker | 69 |
| Mitchel Musso | Brady Parker | 47 |
| Adam Hicks | Boz Parker | 22 |
| Logan Browning | Rebecca Dawson | 5 |
| Brittany Ross | Candis | 5 |
| Sinqua Walls | Pierce | 4 |
| Eve Sigall | Old Hag | 4 |
| James Hong | Head Elder | 3 |
| John Eric Bentley | Bill | 3 |
| Martin Klebba | Hibachi | 3 |
| James Hong | Timothy Kalooka-Khan | 2 |
| Damion Poitier | Kaita | 2 |
| Clint Culp | P.E. Coach | 2 |
| Vincent Pastore | Yamaguchi (voice) | 2 |
| Tichina Arnold | Nancy | 2 |
| Michael Bailey Smith | Zadoc | 2 |
| Douglas Tait | Big Pupaley | 2 |
| Doug Brochu | Oogie | 2 |
| Denyse Tontz | Tarantula Girl | 2 |
| Carlson Young | Chelsea | 1 |
| Cooper Barnes | Tom | 1 |
| James Hong | Shaman | 1 |
| James Hong | Judge | 1 |
| Eden Sher | Billie | 1 |
| Abraham Benrubi | Silver Fox | 1 |
| Wendy Worthington | Queen Oogli | 1 |
| Noah Crawford | No-Beard | 1 |
| Karan Brar | Tito | 1 |
| Jonathan Adams | Mr. Dawson | 1 |
| Edie McClurg | June | 1 |
| Matthew Willig | Tarantula Leader | 1 |
| Vincent Pastore | Yamakoshi (voice) | 1 |
| Mike Mizanin | Damone | 1 |
| Dalip Singh | Atog | 1 |
| Patrick Gallagher | Farhod the Fierce | 1 |
| Tyrel Jackson Williams | Hilo Tutuki | 1 |
| John O'Hurley | Narrator | 1 |
| Debbie Lee Carrington | Squonk Queen | 1 |
| Oliver Muirhead | King of Cornea | 1 |
| Greg Eagles | Tarantula Shaman | 1 |
| Edi Patterson | Charlotte | 1 |
| Jennifer Stone | Priscilla | 1 |
| Adoni Maropis | The Oracle | 1 |
| Amir Arison | King Kunu | 1 |
| Jennifer Elise Cox | Lady of the Cave | 1 |
| Ted Rooney | Royal Tracker | 1 |
| Madison Riley | Amazonia | 1 |
| Erik Betts | Tribesman | 1 |
| Douglas Tait | Mr. Boogey | 1 |
| Noshir Dalal | Jason Makoola | 1 |
| Abbie Cobb | Ethel | 1 |
| Wesley Mann | Counselor | 1 |
| Erin Sanders | Nannie | 1 |
| Eve Sigall | Old Hag Staffer | 1 |
| Jillian Rose Reed | Tessa | 1 |
| Christoph Sanders | Tristan | 1 |
| John Hartmann | Rockhead | 1 |
| Robert R. Shafer | King Malakai | 1 |
| Jack DePew | Captain | 1 |
| Walter Jones | Tough Poet | 1 |
| Robert Ochoa | Troll | 1 |
| Chris Wylde | Two Peg | 1 |
| Jillian Nelson | Cave Girl | 1 |
| Emily Wilson | Gertrude | 1 |
| Mikey Post | Dr. Micah | 1 |
| Mikey Post | Sherpa Squonk | 1 |
| Scott Anthony Leet | King Kalakai | 1 |
| Kevin M. Horton | Philbert Dingleberg | 1 |
| Dwight Howard | The Cook | 1 |
| Joe Massingill | Tree Shaker | 1 |
| Matt Knudsen | Snowflake | 1 |
| Kara Pacitto | Queen Hesta | 1 |
| Brian R. Norris | Spatula Jones | 1 |
| George Sharperson | Krinkle | 1 |
| Daniel Messier | King of Kincou | 1 |
| Hayley Hasselhoff | Sasha | 1 |
| Edward Fordham, Jr. | Wally | 1 |
| Ron Fassler | Dale Davis | 1 |
| Jason Dolley | Mark | 0 |