|Born||Marshall James Napier
Before becoming an actor, Napier worked variously as an art student, factory worker and truck driver. In 1988, he moved with his wife and two children, Reuben and Jessica, to Australia, to pursue a career in acting, and has worked in theatre, film, and television productions. In his 40's, he began writing plays.
A partial list of his theatre credits follows: Sydney Theatre Company
- The present
- In the next room / The vibrator play
- The herbal bed
- The birthday party
- Freak winds
- Angel city
- The schelling point
- Alarms and excursions
- All my sons
- Speaking in tongues
- All souls
- The Navigator: A Medieval Odyssey - Searle
- Came a Hot Friday - Sel Bishop
- Pallet on the Floor - Joe Voot
- The Big Steal (1990 film) - Desmond Clark
- Babe - Chairman of Judges
- Bad Eggs - Doug Gillespie
- Goodbye Pork Pie - Traffic officer
the Neville Purvis Show
- Police Rescue - Sgt. Fred 'Frog' Catteau (his daughter, Jessica Napier, played his character's daughter)
- Seven Deadly Sins - Brodie
- Water Rats - Joe Da Silva
- McLeod's Daughters as Harry Ryan/Carl Weatherdon 2001-2006
- Farscape - specifically the episode entitled "...Different Destinations" - General Grynes
- The Girl from Tomorrow Part II: Tomorrow's End (television) - Draco
- City Homicide as Wilton Sparkes 2007 
In 2002, he and his daughter, Jessica Napier, won $64000 in the Australian version of Who Wants to Be a Millionaire? for the "South Australian Animal Rights Group".
- "Marshall Napier". Smurcher's Guide. Retrieved 2008-04-12.
- Blake, Jason (22 February 2013). "No regrets as actor races to save day". Sydney Morning Herald. Retrieved 25 August 2013.
- Coultan, Mark (2006-04-05). "A little play's battle to make it in the Big Apple". The Sydney Morning Herald. Retrieved 2008-04-12.
- City Homicide: Meet the Cast - Marshall Napier
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