Mario and Collin Unite

 is an American animated superhero comedy television film, being a crossover between Collin the Speedy Boy and the  series. It is produced by and will premiere on WB Kids in TBD.

Collin the Speedy Boy

 * Jason Griffith as Collin Brady/Collin the Speedy Boy and Cooper Elledge
 * Scott Menville as Tommy the Opossum
 * Billy West as Flappy McFinger and Eli
 * Grey Griffin as Jasmine Todd, Kerigan Mardis and Teary Eyed Bryte
 * Colleen Villard as Baylee Mardis
 * Kat Cressida as Nancy Samano
 * Hynden Walch as Elisha Preston
 * Phil LaMarr as WesDragon and Handy
 * Tom Kane as VoodooFinger
 * Rob Paulsen as GoofFinger
 * Eric Bauza as Fang Suckle
 * Keith Ferguson as Gurkha

Mario

 * Charles Martinet as Mario and Luigi
 * TBD as Yoshi
 * TBD as Cappy
 * TBD as Princess Peach
 * TBD as Bowser