The camera lens or the television camera is still just a proscenium arch. And as a great old character actor once said to me, wherever you're acting, you reach up and take hold of the proscenium arch, and you pull it down around your shoulders.
I worked as a parking lot attendant for a while and a delivery boy and two or three other things, but none of them seemed just right.
I've never been typed. John Wayne played 'that guy' all the time - mostly because that's all he could do. Gable played Gable parts, and Bob Taylor played Bob Taylor parts, whether he was in armor or a full-dress suit. I resisted that.
