<P> Pierce (James Seay), the doctor at Kris' nursing home, assures Doris that Kris is harmless . Kris makes a pact with Fred--he will work on Susan's cynicism while Fred does the same with Doris, disillusioned by her failed marriage . When Susan reveals she wants a house, Kris reluctantly promises to do his best . </P> <P> Kris learns that Sawyer has convinced young employee Alfred that he is unstable simply because he is kind - hearted . Finding Sawyer unwilling to budge, Kris hits him on the head with Sawyer's umbrella, which was on the desk . Sawyer exaggerates his pain in order to have Kris confined to Bellevue Hospital . Tricked into cooperating, and believing Doris to be in on the deception, Kris deliberately fails his examination and is recommended for permanent commitment . However, Fred persuades Kris not to give up . </P> <P> At a hearing before Judge Henry X . Harper (Gene Lockhart), District Attorney Thomas Mara (Jerome Cowan) gets Kris to assert that he is Santa Claus and rests his case . Fred argues that Kris is not insane because he actually is Santa . Mara requests Harper rule that Santa does not exist . In private, Harper's political adviser, Charlie Halloran (William Frawley), warns him that doing so would be disastrous for his upcoming reelection bid . The judge buys time by hearing evidence . </P> <P> Doris quarrels with Fred when he quits his job at a prestigious law firm to defend Kris . Fred calls Macy as a witness . When Mara asks if he believes Kris to be Santa, Macy starts to equivocate, but when pressed, he remembers the good Kris has done and states, "I do!" Afterward, Macy fires Sawyer . Fred then calls Mara's own young son (Bobby Hyatt), who testifies that his father told him that Santa was real . Mara concedes the point . </P>

Who played tommy in miracle on 34th street