It Happened at the World's Fair (1963)

Mike and Danny hitch a ride to the World's Fair in Seattle after the sheriff seizes their crop duster biplane to cover Danny's gambling debts. Mike looks after the driver's 7 y.o. niece at the fair, where he meets a cute nurse.

Director: Norman Taurog

Cast: Elvis Presley, Joan O'Brien, Gary Lockwood, Vicky Tiu, H.M. Wynant, Edith Atwater, Guy Raymond, Dorothy Green, Kam Tong, Yvonne Craig, Benjie Bancroft, Herbert Bress, Don Brodie, George Cisar, Bill Cole, Oliver Cross, Max Cutler, John Daheim