Delving deeper into some of the cameo appearnces in MySims games,in the most recent,SkyHeroes,there are multiple charaters from EA games hidden throughout. They are: Commander Shepherd(Mass Effect), Issac Clarke(Dead Space,costume only), Natasha Volkova(Command and Conquer,cut from final version), Elliot Salem(Army of Two), Tyson Rios(also from Army of Two), Dusty(Medal of Honor),and Morrigan(Dragon Age).
Here are the pictures of each:
http://mysims.wikia.com/wiki/Commander_Shepard
http://mysims.wikia.com/wiki/Isaac_Clarke
http://mysims.wikia.com/wiki/Natasha_Volkova
http://mysims.wikia.com/wiki/Elliot_Salem
http://mysims.wikia.com/wiki/Tyson_Rios
http://mysims.wikia.com/wiki/Dusty
http://mysims.wikia.com/wiki/Morrigan
Edit: Issac is a costume in Agents to wear,whereas in SkyHeroes he is an actual cameo pilot