Set during the Peninsular Campaign of the Napoleonic War, Mr Midshipman Easy has just joined the Royal Navy. He is very keen to do well but luckily he has an understanding captain to pull him out of the various adventures he seems to get involved in.
| Actor | Role |
|---|---|
 Hughie GreenMidshipman Easy | Midshipman Easy |
 Margaret LockwoodDonna Agnes | Donna Agnes |
| HHarry TateMr. Biggs | Mr. Biggs |
| RRobert AdamsMesty | Mesty |
 Roger LiveseyCaptain Wilson | Captain Wilson |
 Dennis WyndhamDon Silvio | Don Silvio |
 Lewis CassonMr. Easy | Mr. Easy |
 Tom GillGascoine | Gascoine |
 Frederick BurtwellMr. Easthupp | Mr. Easthupp |
 Desmond TesterGossett | Gossett |
| DDorothy Holmes-GoreMrs. Easy | Mrs. Easy |
| NNorman WalkerNot listed | Not listed |
 Arthur HamblingNot listed | Not listed |
 Arnold LucyNot listed | Not listed |
 Esme ChurchNot listed | Not listed |
| AAnthony RogersNot listed | Not listed |
 Andreas MalandrinosNot listed | Not listed |
| GGladys GordonNot listed | Not listed |
| CChristine KeirNot listed | Not listed |
| AArthur GomezNot listed | Not listed |
| JJacky GreenNot listed | Not listed |
| RRoy SharpeNot listed | Not listed |