When voice acting was introduced in television games, the same voice actors would perform in a series of events related to the television game world, making appearances and participating in radio programs based on the television games to attract the fanbase.
The same voice actors would perform in a series of events. These events are related to the television game world. The same voice actors were making appearances. The same voice actors were participating in radio programs. These radio programs were based on the television games. This was to attract the fanbase. Voice acting was introduced in television games.