It’s based in part on the life of Dr. Phil McGraw, who also serves as an executive producer, and I’d have to imagine that he was pretty big on getting Weatherly into the role.
If you’re going to have a say in picking who plays you on TV, you go for the gold.
Bull stars Weatherly as Dr. Jason Bull, a prolific and highly respected trial consultant who builds up a team of expert analysts to figure out the many ways that human beings work within a courtroom, from the jury box to the witness stand.