Is John ritter Kaley couco's father?

No, John Ritter is not Kaley Cuoco's father. John Ritter was a well-known actor, famous for his role in "Three's Company," while Kaley Cuoco is an actress known for her role in "The Big Bang Theory." Kaley Cuoco's father is Gary Cuoco, who is a realtor. John Ritter and Kaley Cuoco are not related.