Spock/Appendices/Background information/Performers

Spock was played by Leonard Nimoy in the vast majority of the character's television and cinematic appearances. The Genesis-regenerated versions of Spock at nine, thirteen, seventeen, and twenty-five years of age in were portrayed by Carl Steven, Vadia Potenza, Stephen Manley, and Joe W. Davis, respectively. Spock's screams in that film were provided by Frank Welker. 
The young Spock from was voiced by Billy Simpson. Carey Scott recorded some dialogue for a younger Spock in , but his scenes were cut. Spock is also portrayed by an unknown infant in that film. And while Nimoy portrayed the elder Spock in the film , was played by Zachary Quinto (who reprised the role in and ), as well as briefly by Jacob Kogan, who portrayed Spock as a young boy. Nimoy reprised the role of Spock for a cameo in . Liam Hughes portrayed a young Spock in the Discovery episode while Ethan Peck voiced the adult version of the character in the same episode. Peck also played the character in subsequent episodes of , , and .
A deleted scene from Star Trek featured a newborn Spock, portrayed by Jenna Vaughn. As Spock's birth would have occurred before the universe split, technically, she would have been the only performer to portray both Spock Prime and his alternate reality counterpart, as well as the only actress ever to play Spock.