In 1996, while continuing on Step by Step, Castile added the vocal role of Eugene Horowitz on the animated series Hey Arnold!.
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Shortly after, Castile appeared in the Miller-Boyett sitcom Going Places in early 1991, playing the recurring role of Sam Roberts, the son of talk show host Dick Roberts (Steve Vinovich) with co-stars Alan Ruck and Heather Locklear.
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Castile and his fellow Going Places cast member Staci Keanan were soon moved by Miller/Boyett into their forthcoming sitcom Step By Step, that premiered on ABC in the fall of 1991.
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His well-known roles include Ted Newton in Beethoven and Beethoven's 2nd, the voice of Zachary Sellers and Nick Mulligan in Focus on the Family's Adventures in Odyssey, Mark Foster on the sitcom Step by Step, and the voice of Eugene Horowitz in Hey Arnold!.
Christopher Columbus | Christopher Walken | Christopher Lee | Castile | Christopher Wren | Christopher Plummer | Christopher Reeve | Christopher Lloyd | Alfonso X of Castile | Kingdom of Castile | Crown of Castile | Christopher Lambert | Christopher Kasparek | Christopher Hogwood | Christopher Marlowe | Christopher Hitchens | Isabella I of Castile | Christopher Guest | Christopher | Christopher Tolkien | Christopher Isherwood | John Christopher | Christopher Fry | Castile (historical region) | Philip I of Castile | Christopher Alexander | Alfonso VIII of Castile | Joanna of Castile | Eleanor of Castile | Christopher Kane |