American actor and singer (1934–1973), an Academy Award nominee for Ship of Fools, who played the mistreated jester Alexander in the third-season episode Plato's Stepchildren.
Michael Dunn was an American actor and singer, born in 1934, who earned an Academy Award nomination for the 1965 film Ship of Fools and was popular on television as the villain Dr. Miguelito Loveless in The Wild Wild West.
In Star Trek he guest stars in the third-season episode Plato's Stepchildren, first shown in 1968. He plays Alexander, the only inhabitant of Platonius without telekinetic power, who is treated as a servant and plaything by the others. Alexander helps Kirk and his officers and, offered the same power, refuses to become like his tormentors.
Dunn was also nominated for a Tony Award for his stage work. He died in 1973.