A man with a intellectually gifted son is alarmed by the boy's sudden change in behavior and is suspicious of the boy's tutor, the mysterious Mr. Zeno.
| Name | Type | Role | |
|---|---|---|---|
| Oliver Crawford | Writer | ||
| Marion Ross | Guest Star | ||
| Edward Platt | Guest Star | ||
| Macdonald Carey | Guest Star | ||
| Jason Wingreen | Guest Star | ||
| Richard Ney | Guest Star | ||
| Bert Freed | Guest Star | ||
| Flip Mark | Guest Star | ||
| Gerd Oswald | Director |