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)
Joe Morgan
— Self (archive footage)
Johnny Bench
— Self (archive footage)
Tony Gwynn
— Self (archive footage)
Ernie Banks
— Self (archive footage)
Rich Gossage
— Self (archive footage)
Mike Schmidt
— Self (archive footage)
Al Kaline
— Self (archive footage)
David Price
— Self (archive footage)
Bob Gibson
— Self (archive footage)
Aroldis Chapman
— Self (archive footage)