Harold Siddons

1952

• [ ] Gift Horse (Adm. Bartlett) 
• [ ] Angels One Five (Mortimer, Pimpernel Pilot) 

1953

• [ ] Malta Story (Matthews) 
• [ ] Appointment in London (Saunders) 
• [ ] Genevieve (Policeman (Uncredited)) 
• [ ] The Clue of the Missing Ape (Navy Intelligence Officer) 

1954

• [ ] They Who Dare (Lieutenant Stevens) 
• [ ] The Good Die Young (Hospital Doctor) 
• [ ] The Purple Plain (Injured Navigator (uncredited)) 
• [ ] Conflict of Wings (Flt. Lt. Edwards) 

1955

• [ ] The Dam Busters (Group Signals Officer) 
• [ ] I Am a Camera (Editor at Party) 

1956

• [ ] The Last Man to Hang (Cheed's Doctor) 
• [ ] The Baby and the Battleship (Whiskers) 

1957

• [ ] Man in the Shadow (Colin Wells) 
• [ ] The Mark of the Hawk (1st Officer) 

1958

• [ ] The Silent Enemy (Army Interrogation Officer) 
• [ ] A Night to Remember (Second Officer Herbert Stone) 
• [ ] Battle of the V-1 (Master Bomber) 

1959

• [ ] Danger Within (Capt. 'Tag' Burchnall) 

1962

• [ ] The Piper's Tune (The Sergeant) 

1963

• [ ] The Wrong Arm of the Law (Police Constable in Garage (uncredited))