In both of the scenes in the lodge's steam room (first with Ray, then later with Robert) the lodge member sitting on the bottom, far right step is Ray Romano's actual father, Albert Romano.
J.G. Hertzler, who plays Everett Munce, the lecturing Professor with the eye patch, is best known for his role of General Martok on Star Trek: Deep Space Nine, who also wore an eye patch.
It's interesting to see Marie so approving of Ray wanting to join Frank's lodge, after repeatedly going on record despising the lodge, namely because of their "No Women" policy.
Who Am I? (2002)'s original air date, Monday, October 14th, 2002, was four years after Robert Barone, actor,
Brad Garrett became a father, on Wednesday, October 14th, 1998.