You can also say: "Unless you do your work, your talents will not be appreciated by them." Here is more information about converting active sentences into passive ones. “Let” can be used to convert the active voice sentence into a passive voice sentence. Examples: • Do not mistake me. (Active voice) • Let me not be mistaken. (Passive Voice) • Cut your nails. (Active voice) • Let your nails be cut. (Passive Voice) • Do not ignore my suggestions. (Active voice) • Let not my suggestions be ignored. (Passive Voice).

"Unless your work gets done, your talents will not be appreciated by them." In this sentence, everything is in the passive voice :)