Richard Gebhardt. Richard Gebhardt was >> in Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown as 'Narrator'.Bill Bishop. Bill Bishop was >> in Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown as 'Director'Steve Parry. Steve Parry was >> in Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown as 'Writer, Executive Producer'Marshall Riggan. Marshall Riggan was >> in Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown as 'Writer'Jerry Embree. Jerry Embree was >> in Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown as 'Executive Producer'Tony Sbrana. Tony Sbrana was >> in Air & Space Smithsonian: Dreams of Flight - Another Step Into the Unknown as 'Music'