Table schema:
CREATE TABLE table_24353141_1 (original_1st_us_tour_cast VARCHAR, original_tokyo___seoul_tour_cast VARCHAR)

Question: While the original toyko/seoul tour cast included thomas hettrick, who was in the original 1st us tour cast? 
SQL: SELECT original_1st_us_tour_cast FROM table_24353141_1 WHERE original_tokyo___seoul_tour_cast = "Thomas Hettrick"