Camera won't display actors in front of it

[ThatDudeGuyDude (Jack Pan)]

I added a camera and two spheres (actors). The camera doesn’t display the spheres even when they’re right in front of it. Camera has the default settings from when I dragged it into the scene.

[KAT_Editor]

I also think like that (because of material), your spheres are not sphere meches, they only shows position of actors in editor.

[ClockworkOcean]

Judging from the size, I’d say those are empty actors, not spheres: