Richard O'Sullivan

1953

• [ ] The Yellow Balloon (Boy Singing at Sunday School (uncredited)) 

1954

• [ ] The Green Scarf (Child Jacques) 
• [ ] The Stranger's Hand (Roger Court) 
• [ ] Make Me an Offer! (Charlie as a Boy) 
• [ ] Loves of Three Queens (Benoni (segment "I Cavalieri dell'illusione")) 
• [ ] The Fate of Two Queens (????) 
• [ ] Dance Little Lady (Peter) 

1955

• [ ] The Dark Avenger (Thomas Holland) 
• [ ] The Secret (John Martin) 

1956

• [ ] Jacqueline (Michael McNeil, Jacqueline's Brother) 
• [ ] It's Great to be Young! (Lawson, The Angel Hill Kids) 

1957

• [ ] Dangerous Exile (Louis XVII / Richard de Beauvais) 
• [ ] No Time for Tears (William) 

1959

• [ ] Carry On Teacher (Robin Stevens) 
• [ ] Witness in the Dark (Don Theobald) 
• [ ] The Nun's Story (Pierre (uncredited)) 

1960

• [ ] And Women Shall Weep (Godfrey Lumsden) 

1961

• [ ] Spare the Rod (Fred Harkness) 
• [ ] The Young Ones (Ernest) 

1962

• [ ] The Webster Boy (Jimmy Webster) 

1963

• [ ] Cleopatra (Pharaoh Ptolemy XIII) 
• [ ] Dr. Syn, Alias the Scarecrow (George Ransley) 

1964

• [ ] Wonderful Life (Edward) 

1965

• [ ] Every Day's a Holiday (Jimmy Dainty) 

1966

• [ ] The Connoisseur (Christopher Tenterden) 

1967

• [ ] Queen of Scots (????) 

1968

• [ ] The Male Animal (Michael Barnes) 
• [ ] A Dandy in Aspic (Nevil) 

1969

• [ ] The Haunted House of Horror (Peter) 

1970

• [ ] Futtocks End (The Boots) 
• [ ] The Lie (Whiteley) 

1972

• [ ] Au Pair Girls (Stephen) 

1973

• [ ] Father Dear Father (Richard) 

1974

• [ ] Man About the House (Robin Tripp) 

1975

• [ ] Can You Keep It Up for a Week? (Mr. Rose) 
• [ ] Time Well Spent (????) 

1988

• [ ] Mr. H Is Late (????) 

2023

• [ ] Man About the House: 50 Years of Laughs (Archive Footage)