Professors And Other Cast Members

Just as the script for a movie may call for an ensemble cast, so may the script employed by a cryptocurrency scam.
Below are some common characters in the ensembles:

Depending on a given scam, the portrayals of ensemble members could range from one person playing all parts over text to actual people playing each part meeting potential victims in person.
Imagine a western in the days of radio.
Sufficiently convincing horse noises could be made in studio such that there was no need for actual horses.
However, once radio programs such as Gunsmoke transitioned to television live horses were required.