It's possible that:
* There is a mistake in the name. It could be a misspelling or an alias.
* Anthony Colby is not a public figure. He may be a private individual who has not pursued a career in acting or filmmaking.
* He has worked on smaller projects or under a different name. It's possible he has been involved in independent films, theatre productions, or other media projects that haven't gained widespread recognition.
To find more information, you could try:
* Checking IMDb: Search for "Anthony Colby" on the Internet Movie Database.
* Using Google: Search for "Anthony Colby actor" or "Anthony Colby film" to see if there are any related results.
* Looking for information on social media: Search for Anthony Colby on Facebook, Twitter, or Instagram to see if there are any profiles that might provide information.
Without further details, it is impossible to confirm his involvement in any film or television projects.