For the 24th century lieutenant, please see Diane Overdiek (Lieutenant).

D. Overdiek was a member of the Starfleet in the mid-22nd century.

Overdiek was a part of the vehicle development team for the construction of Enterprise NX-01. Overdiek's name was listed on Enterprise's dedication plaque. (Star Trek: Enterprise set artwork)

This character was only mentioned in writing.
D. Overdiek was named for production staff member Diane Overdiek.