Naidu's first professional acting job, which he won from an open call, was a leading role opposite Michael Keaton in the 1986 film
Touch and Go (1986). This was followed by an
ABC Afterschool Specials (1972) episode,
No Greater Gift (1985), where he played Nick Santana, a 12-year-old boy with a terminal illness. Naidu then appeared in the
MacGyver (1985) TV series' first-season episode,
To Be a Man (1986) in 1986.
Other early film credits include
Where the River Runs Black (1986) opposite Charles Durning and
Vice Versa (1988). Between 1988 and 1995 he worked extensively in classical theatre.
Naidu returned to film acting in 1996 with Richard Linklater's
SubUrbia (1996), for which he was nominated for the Independent Spirit Award for Best Supporting Male and competed against the likes of Samuel L. Jackson, Roy Scheider and Jason Lee.
On screen, Naidu starred in the cult film
Office Space (1999), as well as appearing in such films as
K-PAX (2001),
SUBWAYStories: Tales from the Underground (1997),
Requiem for a Dream (2000),
Bad Santa (2003),
The War Within (2005),
The Guru (2002),
Waterborne (2005), and
Loins of Punjab Presents (2007). He co-starred as a series regular in the sitcom
LateLine (1998) and had guest starring roles on the television dramas
The Sopranos (1999),
The West Wing (1999), and
Bored to Death (2009).
Naidu has been working extensively with musicians from the Asian underground music movement for many years as a breakdancer and an M.C. His vocals have appeared on many records, most notably
Talvin Singh's mercury award winner "OK".
In 2006, Naidu directed his first feature film
Ashes (2010) which had its release in 2010 and for which he won Best Actor accolades from the MIACC Film Festival in New York and the London Asian Film Festival.
Naidu's most recent theatre credits include The Kid Stays in the Picture at the Royal Court Theatre, The Master and Margarita with Complicite, a world tour of Shakespeare's Measure for Measure with Complicite, The Resistible Rise of Arturo Ui alongside
Al Pacino, directed by
Simon McBurney and The Little Flower of East Orange alongside
Ellen Burstyn at New York's Public Theater directed by
Philip Seymour Hoffman. In 2001 Naidu's solo theatre piece Darwaza was a sold-out hit at New York's Labyrinth Theatre.