Grant is represented professionally by the firm Johnson & Laird Management.
Grant was cast as Captain Gault, a recurring character in the fourth season of the hit US show Lost.
Despite hosting Border Security, now in its third series, he has never been seen on the show since its first season.
The show Border Security: Australia's Front Line, which he hosts, has been sold to a number of countries overseas.
In 1991 Grant graduated from Australia's National Institute of Dramatic Arts with a degree in Performing Arts (Acting).
2005 saw the birth of his second child, his son Zeke Bowler.
His first child, a daughter named Edie Bowler, was born in 2003.
He has been married to Roxane Wilson since the 21st of January, 2001.
Grant also had a major role in the long-running Australian medical drama All Saints, where he played the part of Nigel 'Mac' MacPherson, a role he played for 20 episodes.
Fans of The Mole began a petition to have Grant return after Tom Williams took over as host in 2005.
He is also the host of the surprisingly popular Border Security: Australia's Front Line, which tops the weekly viewer ratings almost every week.
Grant has a starring role in Outrageous Fortune, a New Zealand drama. In 2007, he was nominated for "Best Performance by an Actor" for the show at the Air New Zealand Screen Awards.
In July 2006, he stated that he would like to return as host of The Mole, which is rumoured to make a return, following the many complaints against his replacement.
Worked on the popular Australian reality series The Mole as the host, a place he held for its first four seasons, before being replaced in season five by Tom Williams.
Grant was also in a few notable appearances in the Australian police drama Stingers.
Had a recurring role in the short-lived Australian drama Always Greener.
Starred in the Australian series Something In The Air for one of its three seasons.
He appeared in Through My Eyes, a 2004 miniseries about the disappearance of Azaria Chamberlain.
The year 2000 saw him starring in the television-remake disaster movie On The Beach.
In 1999, he starred in the movie Change Of Heart, playing the role of Jason.
After leaving Pacific Drive, he joined the cast of Medivac, where he spent two and a half years.
In 1996 he joined the cast of Pacific Drive, but only for a short period.
Grant's first role on television was that of Constable Wayne Patterson on Blue Heelers, from 1994 to 1996.