| Story: | 197 | Writers: | Lucille Arboine and Robin-Mary Manseth |
| Code: | 197DWA | Production details: | 2019 SegalChord Productions |
| Number: | 8DWA197 | Duration: | 177 minutes |
| Trailer | 1 | 2 | 3 | 4 |
| Available |
| Doctor Who | - | Matthew Chambers | (all) |
| Georgie Darlington-Cooke | - | Helen Roka | (all) |
| Phyllida Carvell | - | Amber Rack | (all) |
| Juniper Frayne | - | Sheri Devine | (all) |
| Entity (1) / Serenity (2-4) | - | Kate Millner | (all) |
| Eden | - | Jerry Kokich | (all) |
| Eduardo deLaurentis | - | Jason Oakley | (1-3) |
| Disclaimer | - | Walt Monsak | (1) |
| Salter | - | Arthur Vassar | (1) |
| Rioters | - | Julie Bruno | (2) |
| Ian Miller | (2) | ||
| Julie Eve* | (2) |
* Julia Eve's name misspelt.
| Written by | Lucille Arboine | |
| Produced by | Kyron Mallett | |
| Directed by | Thomas Himinez | |
| Script editor | Amber Rack | |
| Incidental music | Jerry Goldsmith | |
| Original title theme | Ron Grainer | |
| Title music | Segun Akinola | |
| "And The Waltz Goes On" | Andre Rieu | Composed by Anthony Hopkins | (4) |
| Title sequence by | Matthew Chambers | |
| Bernard Lodge | ||
| Everlasting Films | ||
| Additional script | Robin-Mary Manseth | |
| Special sounds | BBC | |
| Casting | Diane Ann Parson | |
| Production secretary | Amy Kessescker* | |
| Editing | Tempest Reynolds | |
| Credits | Robert Eislee | |
| Post production | Steve Ashburn |
* Amy Keesecker's name misspelt.