Set in a beautiful fishing village in Gibraltar, Wonderful Things! stars Frankie Vaughan as Carmello, a young fisherman who, unable to earn enough from fishing to marry his tempestuous fiancée, decides to come to England to seek his fortune and finds fortunes are not quite so easy to come by.
| Actor | Role |
|---|---|
 Frankie VaughanCarmello | Carmello |
 Jeremy SpenserMario | Mario |
 Jocelyn LanePepita | Pepita |
 Wilfrid Hyde-WhiteSir Bertram | Sir Bertram |
| JJean DawnayAnne | Anne |
 Eddie ByrneHarry | Harry |
 Harold KasketPoppa | Poppa |
 Christopher RhodesCodger | Codger |
 Cyril ChamberlainButler | Butler |
| BBarbara GoalenCourtesy Appearance | Courtesy Appearance |
 Nancy NevinsonMamma | Mamma |
| LLarry TaylorNot listed | Not listed |
 Ronnie BarkerWaiter (uncredited) | Waiter (uncredited) |
 Liz Fraser(uncredited) | (uncredited) |