Nickelodeon unveiled its all-new cast of seven tweens and teens for its upcoming revival of sketch comedy series “All That.”

The new version debuts Saturday, June 15 at 8:30 p.m. ET/PT, and will air in that timeslot going forward. The premiere will feature original cast members Kel Mitchell, Lori Beth Denberg and Josh Server. Former cast member Kenan Thompson is executive producing the new version with Mitchell and Kevin Kay.

Here are the seven new castmembers, with descriptions courtesy of Nickelodeon:

Also Read: Nickelodeon Sets Premiere Date for 'All That' Revival, Jonas Brothers Named First Musical Guest

Ryan Alessi – Born and raised in Chicago, Ryan Alessi, 14, began studying improv comedy at age eight with The Second City Improvisational Comedy Troupe. After moving to Los Angeles, he started studying with The Groundlings and developing his own characters and performing various impressions and accents.

– Born and raised in Chicago, Ryan Alessi, 14, began studying improv comedy at age eight with The Second City Improvisational Comedy Troupe. After moving to Los Angeles, he started studying with The Groundlings and developing his own characters and performing various impressions and accents. Reece Caddell – A Denver native, Reece Caddell, 12, started acting at the age of five and began performing sketch comedy when she started a YouTube channel with her two older sisters.

– A Denver native, Reece Caddell, 12, started acting at the age of five and began performing sketch comedy when she started a YouTube channel with her two older sisters. Kate Godfrey – Kate Godfrey, 15, is an actress, singer and dancer from Scottsdale, Ariz. She began her career in her local community theater at the age of nine and was quickly accepted to the Broadway Youth Ensemble where she performed in New York City.

– Kate Godfrey, 15, is an actress, singer and dancer from Scottsdale, Ariz. She began her career in her local community theater at the age of nine and was quickly accepted to the Broadway Youth Ensemble where she performed in New York City. Gabrielle Green – Gabrielle Green, 14, moved to Los Angeles to pursue her acting career after studying theatre at BAK Middle School of Performing Arts in West Palm Beach, Fla. Her credits include acting, voiceover work and working as a brand representative.

– Gabrielle Green, 14, moved to Los Angeles to pursue her acting career after studying theatre at BAK Middle School of Performing Arts in West Palm Beach, Fla. Her credits include acting, voiceover work and working as a brand representative. Nathan Janak – Originally from Sugar Land, Texas, Nathan Janak, 14, began acting at six years old. In 2016, he participated in a nine-month intensive actor training program and later moved to Los Angeles. Janak has previously been seen as a guest star in Nickelodeon’s “Henry Danger.”

– Originally from Sugar Land, Texas, Nathan Janak, 14, began acting at six years old. In 2016, he participated in a nine-month intensive actor training program and later moved to Los Angeles. Janak has previously been seen as a guest star in Nickelodeon’s “Henry Danger.” Lex Lumpkin – Lex Lumpkin, 13, is an actor, singer, writer, impressionist and pianist from Indianapolis. His acting career began two years ago when he played the role of “Stuart” in the Indianapolis Repertory Theater’s production of “Stuart Little.”

– Lex Lumpkin, 13, is an actor, singer, writer, impressionist and pianist from Indianapolis. His acting career began two years ago when he played the role of “Stuart” in the Indianapolis Repertory Theater’s production of “Stuart Little.” Chinguun Sergelen – Raised in Chicago, Chinguun Sergelen, 13, began acting at age nine. He is a Youth Ensemble member at The Second City Training Center Chicago and Laugh Out Loud Theater.

The June 15 premiere will open with the three imparting their advice to the new cast, which will be named at a later date. The network also teased that the three will revive some of their classic characters, including Mitchell’s “Good Burger” server Ed; a new “Vital Information” with Denberg, who will also bring back her Loud Librarian.

The Jonas Brothers will close the show with a performance of “Sucker.”

The revival comes under the watchful eye of Brian Robbins, who was named president of Nickelodeon last October and was a co-creator and an executive producer on the original run of “All That.” Jermaine Fowler serves as a consulting producer. Production of “All That” for Nickelodeon is overseen by Shauna Phelan, senior vice president, live-action scripted content.

“All That” debuted in 1994, and launched the career of Thompson, as well as Amanda Bynes and Nick Cannon. Other cast members from the OG iteration include Mitchell, Jamie Lynn Spears, Denberg and Server. It aired 171 episodes across 10 seasons from 1994 to 2005.