
John Bach (born 5 June 1946) is a British-born New Zealand actor who has acted on stage, television and film over a period of more than four decades. Though born in the United Kingdom, he has spent most of his career living and working in New Zealand.
In 1997, his leading role as the titular detective character of Duggan was created for him, firstly in a couple of telemovies, then in a successful New Zealand series.

The Lord of the Rings: The Return of the King
2003 · as Madril

The Lord of the Rings: The Two Towers
2002 · as Madril

The Chronicles of Narnia: Prince Caspian
2008 · as British Homeguard 1

Holy Days
2026 · as Bishop Chaytor

The Light Between Oceans
2016 · as Mayor Jock Johnson

Battletruck
1982 · as Bone

Sgt. Haane
2026 · as General Horrocks (Elder)

Ike: Countdown to D-Day
2004 · as Air Marshal Leigh-Mallory

My Name Is Bruce
2007 · as Shot in the Leg Guy

Blood Oath
1990 · as Major Roberts

Old Scores
1991 · as Ewan Murray

Mistress, Mercy
2018 · as Judge Anderson

Typhon's People
1993 · as Daniel Harrington

The Cure
2014 · as Lionel

The Last Tattoo
1994 · as Austen Leech

Other Halves
1984 · as Jim

Piece of My Heart
2009 · as Mike

Beyond Reasonable Doubt
1980 · as Detective Murray Jeffries