Skip to content
Join
Writer · 1913 to 1996

Liam O'Brien

Best rated: The Great Impostor (6.9)

Films
8
Avg rating
6.35
Peak run
1950’60
Oscar noms
1
CompareBacon number
Every film, by TMDB rating

The career

Liam O'Brien, writing career by TMDB rating5-film averagePeak era
Peak 1950 to 1960, 6.36678195019521954195619581960The Great Impostor 6.9Young at Heart 6.0Career avg 6.35

Dot size shows audience votes. Films below the source vote floor sit on the baseline.

Liam O'Brien's career barcodecoolhot
19508 films1961
Current formLast 5: 6.34 vs career 6.35 (−0.01)
  1. LDiplomatic Courier1952 · 6.2−0.2
  2. LYoung at Heart1954 · 6.0−0.4
  3. LTrapeze1956 · 6.3−0.1
  4. WThe Great Impostor1960 · 6.9+0.5
  5. LThe Devil at 4 O'Clock1961 · 6.3−0.1
As a writer, films with 25+ votes

Liam by the numbers

Average
6.35
6 rated films
Vote weighted
6.34
bigger films count more
Median
6.3
half are better
Consistency
±0.30
rating spread
Career
12y
1950 to 1961
Total votes
305
across every film
Best
6.9
The Great Impostor
Worst
6.0
Young at Heart
Newest first

Filmography

Writing filmography
1961The Devil at 4 O'Clock posterThe Devil at 4 O'Clock6.350
1960The Great Impostor6.925
1956Trapeze posterTrapeze6.3103
1954Young at Heart posterYoung at Heart6.046
1952Diplomatic Courier6.225
1951Here Comes the Groom·18
1951The Redhead and the Cowboy·10
1950Chain Lightning6.428
Takes

On Liam O'Brien

1 nominations, 0 wins

Awards record

  • Best Original Story · Academy Awards 1952
    Robert Riskin, Liam O'Brien
    Nominated

Career statistics use TMDB ratings and 25+ votes per film.

Sources: TMDB (TMDB API terms and product-specific authorization, as of 2026-10-12T23:47:04.021Z), Wikidata (CC0).

TMDBThis website uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.