Fan Casting John Stephenson as Mr. Slate in The Flintstones & WWE: Stone Age SmackDown! (2005)

John Stephenson is known for his roles in Spartacus, The Flintstones in Viva Rock Vegas, and The Lord of the Rings: The Return of the King. He has been suggested by fans for 78 roles on myCast, including Mr. Slate in CN's The Flintstones (1997-2004). Similar actors include Maurice LaMarche, Don Messick, and Frank Welker. John Stephenson was suggested to play Mr. Slate in The Flintstones & WWE: Stone Age SmackDown! (2005) by nephelodeon. Other actors sugggested to play this role include Jeff Bergman. The Flintstones & WWE: Stone Age SmackDown! (2005) has 248 roles, including Barney Rubble, Dino, and John Cenastone.