Private E. Hamboyan was a MACO assigned to during the Enterprise search for the Xindi weapon in 2153. At least during the mass crew survival stasis flight, he was bunking with fellow MACO officer Sgt. B. Moreno. ( : " ENT ")
Hamboyan stood guard in
sickbay after they recaptured the Sphere Builder that had just wrought havoc on the ship. ( : " ENT ")
Enterprise when it was heavily damaged and Captain Archer decided to rob the Illyrians. ( : " ENT ")
He was among the crewmembers in the
shuttlebay who listened Captain Archer's speech and remembered all the crewmembers who lost their life in the Delphic Expanse. ( : " ENT ")
Hamboyan was among the MACOs to volunteer to board the
Xindi weapon. He was, however, not chosen by Reed, and remained on board Enterprise, where he assisted in repelling the invading Sphere Builders. ( : " ENT ", " Countdown ")
He served as guard for
Silik on board the ship and escorted him along R. Azar to the transporter. ( : " ENT ")
Storm Front, Part II
E. Hamboyan, guarding the Tellarites
2154 he served as a guard for Arik Soong when he visited the sickbay and was later beamed down to Verex III. He also guarded Archer along Lieutenant Reed when the captain discussed with Malik in his briefing room. He was unable to stop Malik when he took Archer as a hostage. ( : " ENT ")
Hamboyan was part of the away team, including
Phlox, Archer, and R. Azar, which beamed down to Cold Station 12, where they were taken hostages by the augments and Arik Soong. ( : " ENT ")
Cold Station 12
Private Hamboyan was on duty when
Emory Erickson visited Enterprise and un energy distortion attacked crewmembers of Enterprise. ( : " ENT ")
He served as guard when the
Tellarite ambassadors and the Andorians came aboard Enterprise. ( : " ENT ", " Babel One ")
Private Hamboyan was part of the MACO force who tried to stop the
Klingon augments who boarded Enterprise in 2154. ( : " ENT ")
He served as guard during the interrogation of
Gannet Brooks, who was arrested because of treason and consipration with Terra Prime. ( : " ENT ")
holodeck recreation of Commander William T. Riker, Hamboyan accompanied Shran, Captain Archer, T'Pol, Commander Tucker, and Lieutenant Reed to the negoatiations with the alien criminals, who had captured Shran's daughter Talla. ( : " ENT ")
These Are the Voyages...
Private E. Hamboyan was portrayed by regular background actor
Andrew MacBeth, who received no credit for his appearances and also portrayed the mirror counterpart.
According to MacBeth, the first name of Hamboyan was Edward.
His costume was sold off on the
It's A Wrap! sale and auction on eBay. 
Due to the re-use of costumes and name tags, stunt actor
Kevin Derr wore the E. Hamboyan costume at several occasions. Derr was identified as Kelly on-screen and also played G. Austin.