The world of pre-school youngsters is explored through songs and skits.
| Actor | Role |
|---|---|
 John RitterSelf - Host | Self - Host |
 Shelley DuvallNot listed | Not listed |
 Ruth GordonMary | Mary |
 Geri JewellSelf | Self |
 Emmanuel LewisNot listed | Not listed |
 Joan LundenSelf | Self |
 Annette O'TooleNot listed | Not listed |
 Nancy MorganSelf | Self |
 Tom SmothersSelf | Self |
 Dick SmothersSelf | Self |
 Sally StruthersNot listed | Not listed |
 Mr. TSelf | Self |
| SSahli CavallaroSelf | Self |
| RRichard A. GardnerSelf | Self |
| TThomas GordonSelf | Self |
| VVirginia E. PomeranzSelf | Self |
| CCarly RitterSelf | Self |
 Jason RitterSelf | Self |
 Maurice SendakSelf | Self |
| BBrian Sutton-SmithNot listed | Not listed |
| TTaylor GroeneHopping Boy (uncredited) | Hopping Boy (uncredited) |
 David MendenhallMax (voice) (uncredited) | Max (voice) (uncredited) |