For many actors, undergoing a complete transformation is an integral part of their job. This could involve using prosthetics, gaining or losing weight, or donning extravagant wigs and costumes. The celebrities featured in this list underwent significant makeovers to portray their characters. They bear no resemblance to the individuals they portrayed in different television shows and movies. Whether they transformed into horrifying villains, superheroes, or even other well-known personalities, these stars ended up looking completely unrecognizable. Join us as we explore some extraordinary on-screen metamorphoses.