A full field of 16 plus three emergencies has been declared for the A$3.5 million Golden Slipper at Rosehill on Saturday.
The Lindsay Park training team will have four runners including Blue Diamond Stakes winner Catchy to be ridden by Craig Williams.
Houtzen remains favourite ahead of the barrier draw with the world's richest race for two-year-olds, expected to be run on a wet track on Saturday.