Fastball

Kevin Costner

Narrator

Hank Aaron

Self (archive footage)

Nolan Ryan

Self (archive footage)

Derek Jeter

Self

Denard Span

Self

Craig Kimbrel

Self (archive footage)

Justin Verlander

Self (archive footage)

Bryce Harper

Self (archive footage)

Chris Cooper

Clifford Blankenship (voice)

George Brett

Self (archive footage)