Who should don the iconic red suit and lightning bolt? This fancast ranks potential actors to portray Barry Allen, the Scarlet Speedster himself. From Grant Gustin, who's already brought the character to life on TV, to rising stars like Austin Butler and Joseph Quinn, the lineup features a diverse mix of talent. Established names like Andrew Garfield and Dylan O'Brien compete alongside breakout performers such as Jeremy Allen White and Joe Keery. Whether you're looking for comedic charm (Andy Samberg), intense dramatic chops (Dacre Montgomery), or youthful energy (Rudy Pankow, K.J. Apa), each actor brings unique qualities that could define the Fastest Man Alive for a new generation of DC fans.