Name	Known for
Fred MacMurray Steve Douglas Steve Douglas See fewer	Double Indemnity (1944)
William Demarest Uncle Charley O'Casey Uncle Charley O'Casey See fewer	Mr. Smith Goes to Washington (1939)
Don Grady Robbie Douglas (credit only) Robbie Douglas (credit only) See fewer	My Three Sons (1960)
Stanley Livingston Chip Douglas (credit only) Chip Douglas (credit only) See fewer	My Three Sons (1960)
Barry Livingston Ernie Thompson Douglas Ernie Thompson Douglas See fewer	Notorious Nick (2021)
Tina Cole Katie Miller Douglas Katie Miller Douglas See fewer	Hawaiian Eye (1959)
Beverly Garland Barbara Harper Douglas Barbara Harper Douglas See fewer	It Conquered the World (1956)
Dawn Lyn Dodie Harper Douglas Dodie Harper Douglas See fewer	Walking Tall (1973)
Ronne Troup Polly Williams Douglas (credit only) Polly Williams Douglas (credit only) See fewer	My Three Sons (1960)
Linda Haynes Cindy Cindy See fewer	Rolling Thunder (1977)
Clarence Lung Hotel Clerk Hotel Clerk See fewer	Secret Agent X-9 (1945)
C. Lindsay Workman Dan McCullough (as Lindsay Workman) Dan McCullough (as Lindsay Workman) See fewer	Westworld (1973)
Rand Brooks Ed Henson Ed Henson See fewer	Gone with the Wind (1939)
Guy Lee Bellhop Bellhop See fewer	How to Steal the World (1968)
Ruth Anson Lady Reporter Lady Reporter See fewer	Quincy, M.E. (1976)
Bennett Ohta Male Reporter Male Reporter See fewer	The Golden Child (1986)