Question: Who was the director of the 1959 American Western film in which the actor, who played Reverend Robert Alden in "Little House on the Prairie", plays a role?
Sentence (from "Katy Kurtzman"): Katy also starred in the "Little House on the Prairie" fourth season episode "I Remember, I Remember" with Matthew Laborteaux, playing young Caroline and young Charles, respectively.
Relevant evidence: No