user: Question: While the original toyko/seoul tour cast included Thomas Hettrick, who was in the original 1st us tour cast? 
Columns: ['Character', 'Original Berkeley Cast', 'Original Broadway Cast', 'Original 1st US Tour Cast', 'Original UK Cast', 'Original Tokyo / Seoul Tour Cast', 'Original 3rd US Tour Cast']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Johnny', 'John Gallagher, Jr.', 'John Gallagher, Jr.', 'Van Hughes', 'Alex Nee', 'Sean Michael Murray', 'Jared Nepute']
SQL:

assistant: SELECT "Original 1st US Tour Cast" FROM "Table" WHERE "Original Tokyo / Seoul Tour Cast" = 'Thomas Hettrick';