 Seven actors listed in records for this movie were not seen in the  final print. They are (with their character names)  Jack Mulhall (qv) (Rock Springs Radio Operator),  Arthur Gardner (I) (qv) (Iowa City Radio Operator),  John M. Sullivan (I) (qv) (John Hopkins Chemist), John Austin  (Allentown Radio Operator), and the three doctors,  Robert Strange (I) (qv), Perry Ivins (qv) and  Gladden James (qv).