It's possible:
* The name is misspelled. Please double-check the spelling.
* The person is not a well-known actor. It's possible they've worked on smaller projects or in roles that don't have extensive online information.
To help me find information, please provide any additional details you might have about Mark Praid, such as:
* Any other names he might use (stage name, middle name, etc.)
* Approximate age or time period of his work
* Any specific types of projects he might have been involved in (e.g., comedies, dramas, horror)
* Any roles he might have played (even if you don't remember the titles)
With more information, I can try to locate his filmography.