typecast

Short definition from Wiktionary

Verb

1. 1
   To cast an actor in the same kind of role repeatedly.
2. 2
   To identify one as being of a specific type because of one's appearance, colour, religion etc.
3. 3
   To cast (change of data type of a variable or object).
4. 4
   To found type in a mold.

Noun

1. 1
   The changing of the data type of a variable or object.