<Tr> <Td> </Td> <Td> This article's plot summary may be too long or excessively detailed . Please help improve it by removing unnecessary details and making it more concise . (December 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> The gang goes to the house that Ted bought in "Home Wreckers". While Ted explains his plans for the house, Barney attempts to persuade Ted to add erotic and sensual objects . It is then revealed that the trip is an intervention . Barney believes it is for Ted, but it is actually for him . </P> <P> A few days before the intervention, the gang attempted to watch TV in Barney's apartment and they learn that Barney does not know how to use tools, so he has called a repairman to fix the TV . However, instead of the repairman, Barney is greeted at the door by Jerome Whittaker (John Lithgow), Barney's father and stated he has received his letter . Later, Barney related to the gang his meeting with Jerry, telling them how he is a tour manager who loves Scotch, suits, and loose women as much as he does . Though the gang is happy for Barney, they worry that Jerry will hurt him again, which Barney brushes off . However, the gang is later approached by Jerome, who reveals that he is actually a driving instructor with a normal suburban life . During the actual meeting with Barney, Jerry attempted to impress him but failed miserably . </P> <P> Meanwhile, the gang begins to note all of the things that each of them never learned, noticing it when Barney mentions he doesn't know how to use a screwdriver . Robin points that, until his class pointed it out, Ted used to think that the word "chameleon" was pronounced "Chama - lee - on ." Ted points out that Robin is unaware that the North Pole is a real place . Later, it is revealed how she does not know that reindeer are real (despite being Canadian, where reindeer are found practically everywhere) or that Jack Kennedy and John F. Kennedy are the same person . Ted also points out Lily's bad throwing skills . Marshall is the only one whom the gang does not mention, and he eventually asks the gang to pick on him . He reveals that he is aware that the gang has been careful around him ever since his father died, and says that he just wants to feel normal again . The group does resume picking on Marshall, mocking his inability to wink or swallow pills, his tendency to add too much water to his oatmeal, how he always misses one belt loop and how he is too old to ask to see the cockpit on planes . Marshall thanks them, grateful to be treated like an equal again . </P>

Who plays barney's father on how i met your mother