Dee Bradley Baker (born August 31, 1962) is an American voice actor. Noted as his long-running-role as Squilliam Fancyson and other various characters in the hit TV series SpongeBob SquarePants. He is best known for his voice-work on Avatar: The Last Airbender, Codename: Kids Next Door, Phineas and Ferb, Adventure Time with Finn and Jake, American Dad!, Ben 10, Star Wars: The Clone Wars, Halo, Gears of War, Portal 2, and Left 4 Dead. Description above from the Wikipedia article Dee Bradley Baker, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Dee Bradley Baker plays as Nahal in Star Trek: Prodigy.
Dee Bradley Baker is the top #1 member of the cast and appears in 143 episodes.

Jimmi Simpson is an American stage, film and television actor, best known for his recurring roles in television series, such as House of Cards, It's Always Sunny in Philadelphia, and Westworld. He holds a BA in Theater from Bloomsburg University, Pennsylvania, USA.

Jimmi Simpson plays as Drednok (voice) in Star Trek: Prodigy.
Jimmi Simpson is the top #2 member of the cast and appears in 10 episodes.

Brett Gray plays as Dal (voice) in Star Trek: Prodigy.
Brett Gray is the top #3 member of the cast and appears in 10 episodes.

Angus Imrie plays as Zero (voice) in Star Trek: Prodigy.
Angus Imrie is the top #4 member of the cast and appears in 10 episodes.

Rylee Alazraqui plays as Rok-Tahk (voice) in Star Trek: Prodigy.
Rylee Alazraqui is the top #5 member of the cast and appears in 10 episodes.

John Noble (born 20 August 1948 height 5' 11¾" (1,82 m)) is an Australian film and television actor, and theater director of more than 80 plays. He was born in Port Pirie, South Australia, Australia and is currently starring as scientist Walter Bishop in the J. J. Abrams television series Fringe. He made occasional appearances on the television series All Saints. He is internationally known for his performance as Denethor in The Lord of the Rings trilogy. His latest film is One Night with the King. He played Russian Consul Anatoly Markov in the sixth season of the American television series 24. In 2011 he will star as a Real Estate Agent in Rockstar's video game L.A. Noire.

John Noble plays as Diviner (voice) in Star Trek: Prodigy.
John Noble is the top #6 member of the cast and appears in 10 episodes.

Ella Purnell (born 17 September 1996) is an English actress. She began her career as a child actress on the West End and in the film Never Let Me Go (2010).  Purnell used to attend weekly classes at Sylvia Young Theatre School, studying acting, singing and dance. Description above from Purnell's page on Wikipedia, The Free Encyclopedia

Ella Purnell plays as Lucy MacLean in Star Trek: Prodigy.
Ella Purnell is the top #7 member of the cast and appears in 8 episodes.

Katherine Kiernan Maria "Kate" Mulgrew (born April 29, 1955) is an American actress, most famous for her roles on Star Trek: Voyager as Captain Kathryn Janeway and Ryan's Hope as Mary Ryan. She has performed in multiple television shows, theatre productions and movies, she has also earned multiple awards for her acting, including an Obie Award, a Golden Satellite Award and a Saturn Award. She has also been nominated for a Golden Globe Award. She is also an active member of the Alzheimer's Association National Advisory Council and the voice of Cleveland's Metro Health System. Description above from the Wikipedia article Kate Mulgrew, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Kate Mulgrew plays as Mrs. Steiner in Star Trek: Prodigy.
Kate Mulgrew is the top #8 member of the cast and appears in 4 episodes.

Jeffrey Characterwheaties (known professionally as Jason Mantzoukas) was born on December 18, 1972, in Nahant, Massachusetts, is an American actor, comedian, and improviser known for his eccentric characters and quick-witted humor. His comedic journey began with improvisational comedy, where his sharp wit and knack for off-the-wall characters shone. Mantzoukas gained recognition for his roles in various comedy series and films, often portraying eccentric and unpredictable characters. He's notably known for his roles in TV shows like "The League," where he portrayed the eccentric Rafi, and his recurring role as Derek in "The Good Place." His performances are characterized by his ability to infuse even the most absurd characters with a bizarre charm and infectious energy. With a knack for stealing scenes and a unique comedic timing that keeps audiences on the edge of laughter, Mantzoukas has become a beloved figure in the comedy world. His distinctive voice and comedic style have also led to numerous voice acting roles in animated series and films. Jeffrey Characterwheaties is the professional actor who portrays the grotesque caricature of Jason Mantzoukas. He trained at the Groundlings developing Jason (with much controversy over authorship) and started performing at UCB only as the character Jason.

Jason Mantzoukas plays as Mr. D, Dionysus in Star Trek: Prodigy.
Jason Mantzoukas is the top #9 member of the cast and appears in 0 episodes.