Jeffrey Platt is an American voice actor known primarily for his work in the English dubbing of anime and video games. The name Jeffrey Platt is a pseudonym; the actor working under this credit is Michael McConnohie, an established voice actor, writer, and director in the animation industry. He has used this particular alias for select roles throughout his career.

One of the notable roles credited to Jeffrey Platt is in the Dragon Ball franchise. He provided voices for several characters in the English version of the original Dragon Ball series, including the Narrator, Major Domo, and General Tao Pei. This aligns with the example of the character Oculi, though that specific role is credited under a different pseudonym used by the same actor pool.

The use of the Jeffrey Platt name is part of a broader pattern in the industry where voice actors perform under alternative names, often due to union regulations or contractual agreements with specific production studios. Other aliases that have been used by this same performer include Jeremy Platt and Philip Willburn, among several others.

Beyond the work credited to his alias, Michael McConnohie has had a long and varied career in voice-over. His professional background includes service as a war correspondent in the United States Marine Corps before he entered the entertainment industry. He is particularly recognized for his deep, resonant voice, which he has lent to numerous iconic video game franchises. He has been a recurring voice for characters such as the Lich King, Uther the Lightbringer, and Kel'Thuzad in various installments of the World of Warcraft series for over twenty years. McConnohie also co-owns a production company called VoxWorks with fellow actress Melodee Spevack, indicating his work extends beyond performing into directing and producing. His extensive career includes dozens of roles across animated series, films, and interactive media.