Cast (in credits order)
| Dieter Thomas Heck | ... | Self - Host | |
| Rest of cast listed alphabetically: | |||
| Roy Black | ... | Self | |
| Petula Clark | ... | Self | |
| Billy Davis Jr. | ... | Self (as The Fifth Dimension) | |
 |
Florence LaRue | ... | Self (as The Fifth Dimension) |
| Johnny Mathis | ... | Self | |
| Marilyn McCoo | ... | Self (as The Fifth Dimension) | |
|
|
LaMonte McLemore | ... | Self (as The Fifth Dimension) |
|
|
Ron Townson | ... | Self (as The Fifth Dimension) |
