Peter Stirling (with his old friend the talking mule) is recalled to active duty...in the WACs!
| Actor | Role |
|---|---|
 Donald O'ConnorPeter Stirling | Peter Stirling |
 Julie AdamsJane Parker | Jane Parker |
 Mamie Van DorenBunky Hilstrom | Bunky Hilstrom |
 Lynn BariLouise Simpson | Louise Simpson |
 Zasu PittsValerie Humpert | Valerie Humpert |
 Joan ShawleeSergeant Kipp | Sergeant Kipp |
 Allison HayesLieutenant Dickson | Lieutenant Dickson |
 Mara CordayKate | Kate |
 Karen KadlerMarge | Marge |
| EElsie HolmesBessie | Bessie |
 Olan SouleCaptain Creavy | Captain Creavy |
| AAnthony RadeckiAide | Aide |
 John PhillipsFred | Fred |
 Chill WillsFrancis (voice) (uncredited) | Francis (voice) (uncredited) |