Who was the pro dance partner of the actor and writer of The 15:17 to Paris when he competed on Dancing With the Stars?
The 15:17 to Paris: The 15:17 to Paris is an upcoming American biographical drama film directed by Clint Eastwood and written by Dorothy Blyskal, based on the autobiography "The 15:17 to Paris: The True Story of a Terrorist, a Train, and Three American Heroes" by Jeffrey E. Stern, Spencer Stone, Anthony Sadler and Alek Skarlatos, about the 2015 Thalys train attack; it will star Stone, Sadler, and Skarlatos as themselves. Alek Skarlatos:  Skarlatos competed on season 21 of ABC's "Dancing with the Stars" with pro dancer Lindsay Arnold, and finished in third place.
Lindsay Arnold