Todd James Lasance is an Australian actor, best recognised for his roles in Australian television including Aden Jefferies on Home and Away, Cam Jackson on Rescue: Special Ops, Ben McMahon on Crownies and Major Sydney "Syd" Cook on ANZAC Girls. He has also appeared in American television roles, such as Julius Caesar on Spartacus: War of the Damned, Julian on The Vampire Diaries and Edward Clariss / Rival on The Flash. In 2020, he partnered with his Spartacus co-star Liam McIntyre to create the gaming series Get Good for the CouchSoup YouTube channel, following a charity livestream benefiting Black Summer. He currently stars as Sergeant Jim "JD" Dempsey in the Network 10/Paramount+ series NCIS: Sydney.