| Judy Abbott is an orphan living in New York, who at the age of 17 finds herself in receipt of a college scholarship and monthly allowance from a mysterious benefactor. Her benefactor believes she has great potential as a writer and wishes to see her succeed. The only payment he asks in return is that she write him a letter every month addressed to the pseudonym "Mr. John Smith", with the understanding that he will never reply. |
| Name | Character | Episodes |
|---|---|---|
| Hisako Kyoda | Eliza | 40 |
| Kenichi Ogata | George | 40 |
| Yuri Amano | Julia | 40 |
| Hideyuki Tanaka | Jervis Pendleton | 40 |
| Hiromi Tsuru | Leonora Fenton | 40 |
| Masako Katsuki | Mary Lambart | 40 |
| Bin Shimada | Jimmy | 40 |
| Yuriko Fuchizaki | Emily | 40 |
| Yoku Shioya | Bob | 40 |
| Toshiko Fujita | Ripetto | 40 |
| Mitsuko Horie | Judy | 40 |
| Eiko Yamada | Sadie | 40 |