Hugh Jackman is sharing the hardest part of ... The Greatest Showman actor said Smrz introduced dance training as an option to prep for action sequences, and he said it successfully paid off.

For Hugh Jackman, getting his body back in superhero ... who introduced him to the idea of dance training in order to do the action sequences successfully. He says he ended up loving the process ...

There has been no shortage of chatter over the rock-hard body Hugh ... me." Jackman also thanked the team of cooks and nutritionists who were responsible for his meals during the training period.