| Albert Sharpe | Darby O'Gill |
| Fred MacMurray | Anthony J. Drexel Biddle |
| Walter Brennan | Grandpa Bower,D.J. Mulrooney/Knobby |
| Buddy Ebsen | Papa Bower |
| Janet Munro | Katie |
| Tommy Steele | John Lawless |
| Greer Garson | Mrs. Cordelia Biddle |
| John Davidson | Joe Carder |
| Sean Connery | Michael McBride |
| Tom Lowell | Jasper |
| Geraldine Page | Mrs. Duke |
| Jimmy O'Dea | King Brian |
| Lesley Ann Warren | Alice Bower |
| Matthew Garber | Rodney Winthrop |
| Gladys Cooper | Aunt Mary Drexel |
| Janet Blair | Mama Bower |
| Karen Dotrice | Elizabeth Winthrop |
| Kieron Moore | Pony Sugrue |
| Ed Wynn | Rufus |
| Richard Deacon | Ralph Yarby |
Technical Credits
| Michael O'Herlihy | Director |
| Norman Tokar | Director |
| Robert Stevenson | Director |
| Arthur J. Vitarelli | Director |