How can I tell who else is in a group chat?

App

In the app, click on the top bar of the conversation where you see the info symbol (i).

This will show you a list of everybody else who is in the chat. From here, you can click on their names and view their OpenSports player profiles.

Web

On the web, click on the top bar of the conversation where you see the info symbol (the three horizontal bars).

This will show you a list of everybody else who is in the chat. From here, you can click on their names and view their OpenSports player profiles.