Jill Clayburgh
Dr. Katherine "Kate" Gunzinger
Michael Douglas
Ben Lewin
Charles Grodin
Homer
Beverly Garland
Emma
Steven Hill
Jacob Gunzinger
Teresa Baxter
Maryanne
Joan Copeland
Rita
John Gabriel
Hunter
Charles Kimbrough
Jerome
Roger Robinson
Flicker
Jennifer Salt
Maisie
Daniel Stern
Cooperman
Dianne Wiest
Gail
Ron Frazier
Professor
Edwin McDonough
Professor
Toshi Toda
Professor
Robert Ackerman
Good Will Man
Raf Mauro
Jerry Lanz Man
Michael Alaimo
Man at Restaurant
Ernie Lively
Man at Restaurant (as Ernie Brown)
Noah Hathaway
Homer's Son
Marlyn Gates
Homer's Daughter
Raymond Singer
Rabbi
David Goodman
Man in Baseball Stands
James Desmond
Man in Baseball Stands
Steven Fromewick
Man in Baseball Stands
Shelly Kurtz
Man in Baseball Stands
Paul Blair
Self
Héctor López
Self
Joe Collins
Self
Frank McCormick
Self
Larry Doby
Self
Tony Ferrara
Self
Sal Maglie
Self
Bob Feller
Self
Mickey Mantle
Self
Roger Maris
Self
Whitey Ford
Self
Willard Marshall
Self
Al Forman
Self
Frank Messer
Self
Tom Gorman
Self
Johnny Orsino
Self
Bud Harrelson
Self
Dusty Rhodes
Self
Gene Hermanski
Self
Specs Shea
Self
Elston Howard
Self
Ron Tellefsen
Self
Monte Irvin
Self
Bobby Thomson
Self
Ed Kranepool
Self
Bill White
Self
John Kuchs
Self
Sal Yvars
Self
James Gammon
Connie Foxworth (uncredited)
Nora Heflin
Maisie (uncredited)
Lou Mulford
Woman at Restaurant (uncredited)
Daniel J. Travanti
Interviewer (uncredited)
Robert P. Fields
Young Baseball Fan (uncredited)