non-professionals

While shooting the film, Tapa was his sole crew, shooting, directing, recording sound; his actors are all non-professionals, appearing in a film for the first time.

Amitava Kumar: First You Must Say Hello Amitava Kumar 2011

Many of the actors in the film, selected with the help of a casting director who works with the Austrian director Michael Haneke, were non-professionals.

Out of Africa and Back Again Steve Dollar 2011

Likewise, the collective and peer-reviewed views of the professionals in any given field are almost always going to be more accurate than those of non-professionals in those fields.

July « 2009 « L.E. Modesitt, Jr. – The Official Website 2009

While shooting the film, Tapa was his sole crew, shooting, directing, recording sound; his actors are all non-professionals, appearing in a film for the first time.

Amitava Kumar: First You Must Say Hello Amitava Kumar 2011

While shooting the film, Tapa was his sole crew, shooting, directing, recording sound; his actors are all non-professionals, appearing in a film for the first time.

Amitava Kumar: First You Must Say Hello Amitava Kumar 2011

Likewise, the collective and peer-reviewed views of the professionals in any given field are almost always going to be more accurate than those of non-professionals in those fields.

Everyone’s an Expert « L.E. Modesitt, Jr. – The Official Website 2009

During filming in the remote countryside, Mills, then 13, was "the seasoned profession," said Beauchamp, because all the other child actors, "with those gorgeous faces," were non-professionals discovered in Lancashire schools.

Penelope Andrew: First Choice for Lolita, Hayley Mills, Attends Rare Screening of Whistle Down the Wind in Hollywood, Cult Classic Comes to BAM Penelope Andrew 2011

I think that you can see some of the bias when "mainstream" university employees criticise the for-profit colleges for using "non-professionals" (i.e. people who have real world experience in a subject, not an advanced degree).

Price Discrimination and Profitability, Arnold Kling | EconLog | Library of Economics and Liberty 2009

GHW Bush, how well the non-professionals performed by comparison with those who were professionals and so on? joe from Lowell Says:

Matthew Yglesias » Chief of Staff 2009

While shooting the film, Tapa was his sole crew, shooting, directing, recording sound; his actors are all non-professionals, appearing in a film for the first time.

Amitava Kumar: First You Must Say Hello Amitava Kumar 2011