Mr. Wilson puts on a magic show for Dennis' birthday and asks Spring Byington to be his assistant.
| Name | Type | Role | |
|---|---|---|---|
| Louella MacFarlane | Writer | ||
| Lisabeth Hush | Guest Star | Herbie's Mother | |
| Craig Jackson | Guest Star | ||
| Spring Byington | Guest Star | ||
| Elvia Allman | Guest Star | ||
| Vaughn Taylor | Guest Star | ||
| William D. Russell | Director |