The cast of The Unstoppable Man - 1961 includes: Don Auld as Doorman John Baker as Reporter Timothy Bateson as Rocky Kenneth Cope as Benny Susan Denny as Milly Tony Doonan as Alan Denis Gilmore as Jimmy Kennedy Marius Goring as Inspector Hazelrigg Edward Harvey as Lewis Tony Hawes as T.V. Interviewer Humphrey Lestocq as Sgt. Plummer Emrys Leyshon as Lab Assistant Jean Marlow as May Lois Maxwell as Helen Kennedy Cameron Mitchell as James Kennedy Tony Quinn as Casey Brian Rawlinson as Moonlight Jackson Ann Sears as Pat Delaney Graham Stewart as Taxi Driver