After nearly 40 years of waiting for his big chance, Wilfred Morgenhall is given the case of defending Herbert Fowle who is accused of murdering his wife. Despite Fowle's insistence of guilt, Moregenhall will not let go of the opportunity to plead his client as innocent and be a star in the courtroom.
| Actor | Role |
|---|---|
 Peter SellersWilfred Morgenhall | Wilfred Morgenhall |
 Richard AttenboroughHerbert Fowle | Herbert Fowle |
 Beryl ReidDoris Fowle | Doris Fowle |
 David LodgeFrank Bateson | Frank Bateson |
 Frank PettingellTuppy Morgan | Tuppy Morgan |
| AAudrey NicholsonMorgenhall's Girl | Morgenhall's Girl |
 Tristram JellinekMr. Perkins | Mr. Perkins |
| EEric WoodburnJudge Banter | Judge Banter |
| JJohn WaiteClerk of the Court | Clerk of the Court |
 Frank WilliamsBarrister | Barrister |
| EEric DodsonExaminer | Examiner |