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MOVIE

Once Is Not Enough

 1975
 121 minutes (2 hrs 01 mins)
Once Is Not Enough
CAST & DIRECTORBOX OFFICE DATAGLOBAL RELEASESTOP GROSSINGNEWS

Director and Cast Quickview

Directed by

Guy Green

Starring

Kirk Douglas · Alexis Smith · David Janssen · George Hamilton · Melina Mercouri · Gary Conway

Full cast & crew

Release dates

US release date US release
20th June 1975
United States release date United States release
20th June 1975
Japan release date Japan release
27th September 1975

Box Office Quickview

UK box office

  • Debut box office: 5th Dec '75
  • Debut position: 1
  • Highest position: 1
  • Debut gross: £223.8 Thousand
  • Total chart weeks: 9

Chart position history

UK box office

5 Dec, 1975
1
12 Dec, 1975
1
19 Dec, 1975
3
26 Dec, 1975
4
2 Jan, 1976
4
9 Jan, 1976
4
16 Jan, 1976
4
23 Jan, 1976
5
30 Jan, 1976
5

US box office

Global box office

Certificates

US
R

R

T

18

12

K-16

11

16

Total grosses

UK total gross
United Kingdom Flag  £695.8 Thousand
US total gross
United States Flag  $0
Global total gross
Global Flag  $0

25thframe.co.uk stats

News from around the web
Once Is Not Enough (1975)  IMDb Tue, 12th May 2026

Review: ‘Lee Cronin’s The Mummy’ is Not Really a Mummy Movie, But Blumhouse Couldn’t Care Less  LA Weekly Fri, 17th April 2026

Once Is Not Enough (1975)  IMDb Fri, 30th January 2026

The Christmas Cup Movie Review: Watch It Once & Once Is Enough  Fangirlish Sun, 30th November 2025

Death Weekend - Movie Review  Alternate Ending - Movie Reviews Sun, 2nd June 2013

Should critics see films more than once? | Inherent Vice  The Guardian Thu, 29th January 2015