Actor
An actor, or player, was a person who portrayed a character in a performance and who worked in film, television, theater, or radio in that capacity. The term actress would sometimes be used to refer to a female in such a role. A bit player was one who had a small role in the performance. A group of such performers were known collectively as a troupe.

During his studies of the philosophies of acting in the late 2360s – undertaken in order to improve his performance skills – Data found himself attracted to the concepts of method acting and studied the works of several famous method actors in order to improve his acting skills. Specifically, he "studied the philosophies of virtually every known acting master. ()

Doctor Beverly Crusher was an accomplished actress and playwright. She formed a theater troupe aboard the . () At various points, her troupe included Will Riker, () Data, () Geordi La Forge, () Reginald Barclay, () and even Captain Jean-Luc Picard. ()  

Participants in holodeck programs were also known as players. In The Doctor's program, Photons Be Free, which recreated life as an EMH equipped with a mobile emitter. Unlike his real mobile emitter, he reinterpreted metaphorically, instead as a large unit worn on the back, which he described as "a symbol of the burdens that I live with every day, [..] a constant reminder that you're different from everyone else." As such, he "wanted the player to feel the weight of it. Literally." ()

Professional actors 
Bud Abbott
Stella Adler
Gracie Allen
Murray Alper
Fred Astaire
Ingrid Bergman
Kenneth Branagh
George Burns
Colin Clive
Gary Cooper
Lou Costello
Brandon De Wilde
John Ford
Dwight Frye
Garnav
Cary Grant
Laurence Harvey
Audrey Hepburn
Bob Hope
Moe Howard
Jero
Glynis Johns
Anton Karidian
Lenore Karidian
Boris Karloff
Danny Kaye
Grace Kelly
Kullnark
Alan Ladd
Burt Lancaster
Layna
Bela Lugosi
Ekaterina Monjak
Mildred Natwick
Laurence Olivier
Jack Palance
Shapiro
Frank Sinatra
Alexander Smutkov
Constantin Stanislavsky

Sid Tomack
John Wayne
Mae West
Richard Widmark
 Unnamed
Western film actor
King Duncan actor
Prince Hamlet actor

Troupes 
 Karidian Company of Players

External link 
 

de:Schauspieler
fr:Acteur

Arts occupations
Entertainment occupations