| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Billy Crystal | Cast | Actor | Self | 1 |
 Bob Costas | Cast | Actor | Self - Host | 36 |
 Brad Pitt | Cast | Actor | Self | 1 |
 Bud Abbott | Cast | Actor | Self (archive footage) | 1 |
 Dave Winfield | Cast | Self | 1 | |
Dennis Eckersley | Cast | Self | 2 | |
 Hank Aaron | Cast | Actor | Self | 1 |
 Harrison Ford | Cast | Actor | Self | 1 |
 Jerry Seinfeld | Cast | Actor | Self | 1 |
 Jim Bouton | Cast | Actor | Self | 1 |
 Lou Costello | Cast | Actor | Self (archive footage) | 1 |
 Michael Lewis | Cast | Actor | Self | 1 |
Peter Gammons | Cast | Self | 1 | |
 Reggie Jackson | Cast | Actor | Self | 1 |
 Yogi Berra | Cast | Actor | Self | 1 |
 Bobby Valentine | Cast | Actor | Self | 1 |
 Chadwick Boseman | Cast | Actor | Self | 1 |
George Brett | Cast | Actor | Self | 1 |
Harold Reynolds | Cast | Self | 1 | |
 Jonah Hill | Cast | Actor | Self | 1 |
Phil Niekro | Cast | Self | 1 | |
Rollie Fingers | Cast | Self | 1 | |
Wade Boggs | Cast | Actor | Self | 1 |
 Ryan Howard | Cast | Actor | Self | 1 |
 Bob Gibson | Cast | Self | 1 | |
Andre Dawson | Cast | Actor | Self | 1 |
 Al Michaels | Cast | Actor | Self | 1 |
 Pedro Martínez | Cast | Actor | Self | 1 |
Don Newcombe | Cast | Self | 1 | |
 Willie Mays | Cast | Actor | Self | 2 |
 Tim McCarver | Cast | Self | 1 | |
Dan Shaughnessy | Cast | Self | 1 | |
 Tony Gwynn | Cast | Self | 1 | |
Rich Gossage | Cast | Self | 1 | |
 Bud Selig | Cast | Actor | Self | 1 |
Juan Marichal | Cast | Self | 1 | |
 Cal Ripken Jr. | Cast | Actor | Self | 1 |
 Bob Feller | Cast | Actor | Self | 1 |
Joe Queenan | Cast | Self | 1 | |
Octavio “Cookie” Rojas | Cast | Self | 1 | |
Jim Leyland | Cast | Actor | Self | 1 |
Ferguson Jenkins | Cast | Self | 1 | |
Ryne Sandberg | Cast | Self | 1 | |
Billy Beane | Cast | Actor | Self | 1 |
Fred Lynn | Cast | Actor | Self | 1 |
Terry Francona | Cast | Self | 1 | |
Ernie Harwell | Cast | Self | 1 | |
Willie McCovey | Cast | Self | 1 | |
Bruce Hurst | Cast | Self | 1 | |
Mike Barnacle | Cast | Self | 1 | |
| Person | Type | Job | Role(s) | Episodes |
