| Name | Character | Episodes |
|---|---|---|
| Ernest Truex | 40 | |
| Douglass Montgomery | 40 | |
| Lester Matthews | 1 | |
| Guy Williams | 1 | |
| Angie Dickinson | 1 | |
| Sylvia Sidney | 1 | |
| Cedric Hardwicke | The Inca | 1 |
| Mario Siletti | 1 | |
| Maudie Prickett | 1 | |
| Chester Morris | Merlini | 1 |
| Name | Character | Episodes |
|---|---|---|
| Ernest Truex | 40 | |
| Douglass Montgomery | 40 | |
| Lester Matthews | 1 | |
| Guy Williams | 1 | |
| Angie Dickinson | 1 | |
| Sylvia Sidney | 1 | |
| Cedric Hardwicke | The Inca | 1 |
| Mario Siletti | 1 | |
| Maudie Prickett | 1 | |
| Chester Morris | Merlini | 1 |