The term 'veteran actor' refers to an experienced performer who has been in the entertainment industry for a long time. The crossword solutions for this term are 'TROUPER' (7 letters), 'STAGER' (6 letters), and 'Egmarshall' (10 letters). A TROUPER is someone who is reliable and hardworking, often performing in multiple shows or productions. A STAGER is someone who has been in the theater for a long time and is familiar with the stage. Finally, Egmarshall is a reference to the actor Edward G. Marshall, who was known for his roles in films such as 'The Maltese Falcon' and 'The Big Sleep'.