Andy Hardy and his sister find romance during a family vacation in Catalina.
| Actor | Role |
|---|---|
 Lewis StoneJudge Hardy | Judge Hardy |
 Cecilia ParkerMarian Hardy | Marian Hardy |
 Mickey RooneyAndy Hardy | Andy Hardy |
 Fay HoldenEmily Hardy | Emily Hardy |
 Frank CravenFrank Redmond | Frank Redmond |
 Ann RutherfordPolly Benedict | Polly Benedict |
 Eleanor LynnJerry Lane | Jerry Lane |
| TTed PearsonBill Rand | Bill Rand |
 Sara HadenMilly Forrest | Milly Forrest |
 Charles JudelsCaptain Swenson | Captain Swenson |
 Selmer JacksonHoyt Wells | Hoyt Wells |
| JJack BaxleyCourt Clerk (uncredited) | Court Clerk (uncredited) |
| WWilson BengeFrancois (uncredited) | Francois (uncredited) |
 Billy DooleyPostman (uncredited) | Postman (uncredited) |
 Mary GordonMary's Mother (uncredited) | Mary's Mother (uncredited) |
| RRuth HartMary (uncredited) | Mary (uncredited) |
 Spec O'DonnellDrowsy (uncredited) | Drowsy (uncredited) |
 Oscar O'SheaSheriff (uncredited) | Sheriff (uncredited) |
 Garry OwenGuide (uncredited) | Guide (uncredited) |
| NNorman Phillips Jr.Harold (uncredited) | Harold (uncredited) |
 Phillip TerryPilot (uncredited) | Pilot (uncredited) |
 Robert WayneEd Carter (uncredited) | Ed Carter (uncredited) |