A political informer's murder in Rome leads to the discovery that an unknown opportunist is impersonating Steve. .br .br "The Commissioner" sent US special agent Steve Mitchell to exotic locales where he encounters adventure and international intrigue, all played out using extreme violence.br br Directed by Bill Karnbr Starring Brian Donlevy, Herb Butterfield, Lyle Talbotbr br Castbr Brian Donlevy as Steve Mitchellbr Herb Butterfield as Commissionerbr Lyle Talbot as Georgebr Jan Arvan as Dr.