Desc: It's Just Parkinson's: Directed by Diane Akam. With John Cullen, Vince Lamphere, Pattie Stoffel, James Patton. John Cullen is a 62 year old athlete who refuses to let his Parkinson's define him as he chases after epic goals with his incredible mindset in a story about grit, perseverance and never giving up in the face of insurmountable odds.