Depends. Is the phone working? If so, you should be able to just connect it to a computer and move the files. If the phone isn't working, however, then there is no way to get them without repairing it first.
Also, if they are on a device that is working and if they were recently deleted you 'may' have some luck getting them back. However if they were deleted a while ago, they are not going to be recoverable.
While there is no guaranty that you can get them back. Deleted does mean deleted. There are a few apps/programs out there that 'may' be able to help you recover the data.
A few of the programs you could try would be... DiskDigger, MobiSaver, Android-Recovery and Tenorshare. They are all data recovery apps/programs. There are...