Jack Sydell

	[show/hide spoilers]; Spoilers hidden in infobox by default.
Age
Colony	Earth
Birthplace	{{{birthplace}}}
Birth Name
Birth Date	{{{birthdate}}}
Callsign
Nickname
Introduced	The Super Scouts, Part II
Last Appearance	[[{{{lastseen}}}]]
Death
Parents
Step-Parents	{{{step_parents}}}
Siblings
Children
Marital Status
Family Tree	View
Role	UFO Investigator
Rank	Colonel, U.S. Air Force
Serial Number	{{{serial}}}
Portrayed by	Allan Miller
	Colonel Sydell is a Cylon
	Colonel Sydell is a Final Five Cylon
	Colonel Sydell is a Human/Cylon Hybrid
	Colonel Sydell is an Original Series Cylon

Colonel Sydell is an officer with the United States Air Force charged with tracking down sightings of Unidentified Flying Objects (colloquially called "UFOs").

He is convinced that Troy and Dillon are somehow connected with the phenomena reported on Earth (The Super Scouts, Part II), and repeatedly tries to capture them (Spaceball).