The first version of A Voyage Round My Father was presented at the Greenwich Theatre in 1970. This final version of the play was first presented at the Haymarket Theatre in August 1971 with the following cast:
| FATHER | Alec Guinness | |
| MOTHER | Leueen MacGrath | |
| SON (grown up) | Jeremy Brett | |
| ELIZABETH | Nicola Pagett | |
| SON (as a boy) |  |
Jason Kemp |
| FIRST BOY | ||
| REIGATE | Jeremy Burring | |
| SECOND BOY | ||
| IRIS |  |
Melanie Wallace |
| GIRL | ||
| HEADMASTER |  |
Jack May |
| GEORGE | ||
| HAM | Mark Kingston | |
| BOUSTEAD | ||
| SPARKS | ||
| MR MORROW | ||
| LADY VISITOR |  |
Phyllida Law |
| MATRON | ||
| MISS COX | ||
| DORIS | ||
| SOCIAL WORKER | ||
| MRS REIGATE |  |
Rhoda Lewis |
| MISS BAKER | ||
| FIRST ATS GIRL | ||
| WITNESS | ||
| RINGER LEAN | Andrew Sachs | |
| MR THONG | ||
| FILM DIRECTOR | ||
| JAPHET |  |
Richard Fraser |
| FIRST JUDGE | ||
| SECOND JUDGE | ||
| CHIPPY | ||
| DOCTOR | ||
| SECOND ATS GIRL | Tilly Tremayne | |
| REIGATE’S FATHER | ||
| ROBING ROOM MAN |