There are a few possibilities:
* Misspelled name: Perhaps the name is spelled differently. You could try searching with variations of the spelling.
* Less prominent career: Robin Cahall might be involved in smaller productions or behind-the-scenes work, which may not be widely documented.
* Uncommon name: It is possible that the person you're looking for has a relatively uncommon name, making it harder to find information about them.
To help me locate the correct information, could you please provide me with any additional details about Robin Cahall, such as:
* Their profession: Are they an actor, director, writer, or something else?
* Approximate time period of their work: Do you have a general idea of when they were active?
* Any specific projects you're interested in: Do you remember any specific movies or shows they might have been in?
With more information, I might be able to find some helpful results.