Mrs. Struble had been Cassandra's elementary school teacher when she began her new life on Earth. Even after Cassandra had moved on to junior high school, O'Neill had remained in touch with Mrs. Struble and her students, who welcomed him as Colonel Jack. O'Neill brought Merrin to Mrs. Struble's class to allow her to experience the concepts of teaching and playing, and Merrin participated in Mrs. Struble's art class, an experience which was passed on to her people following her averium.
Portrayed by: Diane Stapley
Episode Reference: Learning Curve