Cast of Rookie of the Year

Thomas Ian Nicholas plays Henry Rowengartner, a young boy who gains the ability to throw a baseball at incredible speeds after an accident.

Gary Busey portrays Chet Steadman, a veteran pitcher who becomes a mentor to Henry during his journey in Major League Baseball.

Amy Morton plays Mary Rowengartner, Henry's supportive and caring mother who navigates his unexpected rise to fame.

Patrick LaBrecque plays George, a character who interacts with Henry in his baseball adventures.

Robert Hy Gorman, credited as Clark, is one of Henry's friends who supports him throughout his baseball experience.

Bruce Altman plays Jack Bradfield, a character involved in the management of the baseball team.

Dan Hedaya portrays Larry 'Fish' Fisher, a teammate of Henry's on the baseball team.

Albert Hall plays Sal Martinella, who is involved in the baseball organization in the film.

Eddie Bracken portrays Bob Carson, a character who plays a role in Henry's baseball journey.

Daniel Stern plays Phil Brickma, a coach who helps the young baseball star develop his skills.

Tom Milanovich plays Heddo, a character in the baseball scene.

Neil Flynn portrays Stan Okie, contributing to the comedic elements of the film.