Gregory Itzin (born April 20, 1948) is an Emmy-nominated American film and television actor, best known for his role as Charles Logan on the series 24. He is also a frequent Star Trek actor, having played five different roles in the various series over the years; his most recent Trek role was Admiral Black in Star Trek: Enterprise. He made his first Star Trek appearance in 1993, in the Star Trek: Deep Space Nine episode "Dax". He later guest starred in DS9 again, in the sixth season episode "Who Mourns for Morn?"
Episodes Acted In:
- The Worst Halloween (Police Officer)
- Frakking Galactica (William Adama)
- Dick Tracy's a Dick (Dick Tracy)