Cast
Main
Cole Sprouse plays Cody Martin
Dylan Sprouse plays Zack Martin
Brenda Song plays London Tipton
Debby Ryan plays Bailey Pickett
Doc Shaw plays Marcus Little
- Cody Martin is portrayed by Cole Sprouse. He is the intelligent, neat, and sensitive twin. Cody performs well in school. He does not perform well in sports. In the show, Cody is ten minutes younger than Zack. He often goes along with Zack's crazy schemes. Cody is often teased by Zack. However, Zack protects Cody when other people pick on him. In the same way, Cody cares very much for Zack, even though Zack teases him a lot.
- Zack Martin is portrayed by Dylan Sprouse. He is the fun-loving, lazy, and outgoing twin. He works in the juice bar on the ship. This is because he uses all of Cody's and his money for the school term. Cody is forced to become a towel boy. Zack usually gets bad grades. However, he still graduated in the series last episode. He enjoys sports, especially basketball and football. He performs very well in them. Zack acts selfish sometimes. However, he really cares about his brother. He flirts with most of the girls on the ship. Often, he does not stay with them for more than one episode. However, at the beginning of the third season, he starts to like a new student on the ship named Maya. Later, he starts a relationship with her by throwing a surprise party for her. She breaks up with him in the last episode because she joins the Peace Corps.
- London Tipton is portrayed by Brenda Song. She is the socialite of the four main teenage characters. She is the daughter of Wilfred Tipton. He owns the Boston Tipton hotel and the SS Tipton along with all the other Tipton hotels. London usually acts selfish and stupid. When she is happy, she usually claps her hands and jumps. Her catchphrase is "Yay me!" London goes to school at the Seven Seas High School program because her father wants her to learn about the real world (the life of people who aren't rich). London does not live in a first-class room on the SS Tipton. She lives in a small room like the rest of the students. London's room mate is Bailey Pickett.
- Bailey Pickett is portrayed by Debby Ryan. She is a teenage girl from the town of Kettlecorn, Kansas. She is very intelligent like Cody. She shares a room with London Tipton. Bailey is a student at Seven Seas High. She attends classes with Zack, Cody, London, and Woody. She came on the ship because she wanted to leave Kettlecorn, where she lived on a farm. She pretends to be a boy in the first episode so she can get a room on the SS Tipton. She did this because there were no more girls' rooms. She moves in with London when people find out she is a girl.
- Marcus Little is portrayed by Doc Shaw. He is a character in seasons 2 and 3. He is a former singer named Lil' Little who comes on the current rapper of SS Tipton. After experiencing puberty, his voice changed. Because of this, he lost his fame and career. He attends Seven Seas High. He shares a room with Zack. Marcus lived in Atlanta, Georgia. He first appears in the second season episode "Roomies". He has a crush on London. Marcus knows as many famous people as London does. He is sensitive about the loss of his fame. He thinks his celebrity friends won't like him. Later, he learned he was wrong in the episode "Crossing Jordin." Marcus leaves the ship in the episode "Bon Voyage". He did this so he could act in a musical based on his song "Retainer Baby."
- Marion Moseby is portrayed by Phill Lewis. He is the manager of the SS Tipton. He is often annoyed by Zack and Cody's schemes. He has raised London Tipton like his own daughter. He acts as though he does not care about Zack and Cody. However, he actually likes them very much. He tells them he will miss them in the end of the last episode, Graduation on Deck.
Recurring
| Actor | Character | Seasons |
|---|---|---|
| Matthew Timmons | Woody Fink | 1–3 |
| Erin Cardillo | Emma Tutweiller | 1–3 |
| Windell D. Middlebrooks | Kirby Morris | 1–3 |
| Rachael Kathryn Bell | Addison | 1-3 |
| Zoey Deutch | Maya Bennett | 3 |
Special guest actors
- Kim Rhodes: Carey Martin (1: "The Suite Life Sets Sail", 1: "Mom and Dad on Deck", 3: "Trouble in Tokyo", 3: "Graduation on Deck")
- Ashley Tisdale: Maddie Fitzpatrick (1: "Maddie on Deck")
- Miley Cyrus: Miley Stewart/Hannah Montana (1: "Double-Crossed")
- Emily Osment: Lilly Truscott/Lola Luftnagle (1: "Double-Crossed")
- Selena Gomez: Alex Russo (1: "Double-Crossed")
- David Henrie: Justin Russo (1: "Double-Crossed")
- Jake T. Austin: Max Russo (1: "Double-Crossed")
- Jordin Sparks: Herself (2: "Crossing Jordin")
- Kathie Lee Gifford: Cindy (2: "Model Behavior")
- George Takei: Rome Tipton (2: "Starship Tipton")
- Sean Kingston: Himself (3: "Party On!")
- Dwight Howard: Himself (3: "Twister, Part 1")
- Deron Williams: Himself (3: "Twister, Part 1")
- Kevin Love: Himself (3: "Twister, Part 1")
- Hutch Dano: Moose (1: "Mulch Ado About Nothing", 3: "Twister, Part 2")
- John Michael Higgins: Wilfred Tipton (3: "Twister, Part 3")
- Jennifer Tisdale: Connie (1: "Flowers and Chocolate", 1:"Cruisin For A Bruisin")
Notable guest actors
- Brian Stepanek: Arwin Hawkhauser/Milos Hawkakapolis (1: "It's All Greek To Me", 3: "Computer Date", 3: "Graduation on Deck")
- Brittany Curran: Chelsea Brimmer (1: "Flowers and Chocolate")
- Sophie Oda: Barbara Brownstein (1: "Flowers and Chocolate")
- Charlie Stewart: Bob (1: "Flowers and Chocolate")
- Jacopo Sarno: Luca (1: "When in Rome...")
- Robert Torti: Kurt Martin (1: "Mom and Dad on Deck", 3: "Graduation on Deck")
- Justin Kredible: Armando the Magician (2: "Ala-ka-scram!")
- Elizabeth Sung: Khun Yai (2: "Family Thais")
- Ed Begley, Jr: Mayor Ragnar (2: "The Swede Life")
- Adrian R'Mante: Esteban Ramírez (2: "Mother of the Groom")
- Charo: Señora Ramírez (2: "Mother of the Groom")
- Kurt Warner: Himself (2: "Any Given Fantasy")
- Charles Shaughnessy: Constable (2: "Rollin' With the Holmies")
- Camilla and Rebecca Rosso: Jessica and Janice (2: "Model Behavior")
- Matthew Willig: The Genie (2: "Rock the Kasbah")
- Andy Richter: Brother Theodore (3: "The Silent Treatment")
- Lisa K. Wyatt: Frankie (3: "Bon Voyage", "Graduation on Deck;")
- Fabio Lanzoni: Captain Hawk (3: "Senior Ditch Day")
- Brian Posehn: Dr. Cork (3: "Frozen")
- Dwight Howard: Himself (3: "Twister, Part 1")
- Deron Williams: Himself (3: "Twister, Part 1'")
- Kevin Love: Himself (3: "Twister, Part 1'")
- Michael Ralph: Sergeant Pepper (3: "Twister: Part 3")