| Record | Name | Role |
| ROLE126307 | Pickup; Ronald | Me |
| ROLE126308 | Griffiths; Mary | Mum |
| ROLE126309 | Lomax; Harry | Uncle |
| ROLE126310 | Reid; Sheila | Aunt |
| ROLE126311 | Selway; George | Dad |
| ROLE126312 | Adams; Alan | Flying Docker / Monster / TV Camera / Radio Actor 1 / Oxo Whitney |
| ROLE126313 | Belcher; David | Otumbad / Deaf Ted / Monster / Floor Manager / Radio Narrator / Mr Wabooba / Radio Uplifter |
| ROLE126314 | Carter; Patrick | TV Camera / Conspirator 1 / Inspectre Basil |
| ROLE126315 | Cotton; Oliver | Elepoon Pill / TV Camera / Danoota / Monster / Radio Actor 3 / Revered Felix Hyacinth Smythe / A Cab / Radio Padre / Fieldimarcher Loud Mount Gammery |
| ROLE126316 | Freeman; Sandra | TV Story teller / Actor 3 / Usherette / TV Commere / Mammy / Barmaid |
| ROLE126317 | Hardy; Luke | Otumba / Monster / TV Camera / Sydnees |
| ROLE126318 | Kay; Richard | Floor Manager / Actor 2 / Jock the Cripple / TV Camera / Great Lady-Figurehead |
| ROLE126319 | Mackintosh; Kenneth | Actor 1 / Priest / Fatty / Shanrock Wombls |
| ROLE126320 | Wilson; Judy | Teacher / Mrs Sutherskill / Mary Atkins |
| ROLE126321 | Winter; Peter | Conspirator 2 / Floor Manager / Policeman |
| Reference Number | Title | Date | Series |
| RNT/SM/2/1/33 | Triple Bill | 17 June 1968 - 27 July 1968 | Pre-South Bank Show Reports |
| CF/8/8 | In His Own Write (Triple Bill part 3) | 1968 | Scripts |
| RNT/CO/1/31 | Triple Bill (Covent Garden Tragedy, In His Own Write, A Most Unwarrantable Intrusion) | 1968 | Costume Department Production Files |
| RNT/PR/2/1/50 | Triple Bill for the National Theatre, Three one-act comedies, Actors to direct. | 4 April 1968 | Press Releases 1960-1979 |
| RNT/PP/3/9/1/7 | Triple Bill | 1968 | Old Vic Cast Lists |
| RNT/PR/4/1/28 | Triple Bill | October 1967 - August 1968 | Press Production Review Files |
| RNT/PP/1/1/158 | Triple Bill | June 1968 | Pre-South Bank Programmes |
| RNT/SM/1/33 | Triple Bill | 1968 | Prompt Scripts |
| RNT/PP/2/1/32 | Triple Bill | June 1968 | Pre-South Bank Posters |