![30 Is a Dangerous Age, Cynthia!](https://image.tmdb.org/t/p/original//hKEGbjXCk8UlIh3hBwXXSt22UGV.jpg)
![30 Is a Dangerous Age, Cynthia!](https://image.tmdb.org/t/p/w200//9ndmfe7921f74vYpCvKktSZB5NQ.jpg)
30 Is a Dangerous Age, Cynthia!
1 hour 25 minutes1968-03-04
4.2
Watch Trailer
A 29-year old aspiring composer—still single and without any romantic prospects—vows to both marry and write a hit musical before he turns 30. Director Joseph McGrath's 1968 British comedy stars Dudley Moore, Suzy Kendall, Eddie Foy Jr. and Patricia Routledge.
Cast
![Dudley Moore](https://image.tmdb.org/t/p/w200//8xLueKMu5tpBmLNzZ73eWBNHycW.jpg)
Dudley Moore
Rupert Street
![Eddie Foy Jr.](https://image.tmdb.org/t/p/w200//iceOurUhUhToPXhjWBLv5rwZdMB.jpg)
Eddie Foy Jr.
Oscar
![Suzy Kendall](https://image.tmdb.org/t/p/w200//x2KEWyZEsK0ePRVK9hgn95piT3i.jpg)
Suzy Kendall
Louise Hammond
![John Bird](https://image.tmdb.org/t/p/w200//cAtuYyuvaoQoxQOfSoiDqDfqbFc.jpg)
John Bird
Herbert Greenslade
![Duncan Macrae](https://image.tmdb.org/t/p/w200//tB8uVu4mB4Hp6dgvxHHiSKJs8ll.jpg)
Duncan Macrae
Jock McCue
![Patricia Routledge](https://image.tmdb.org/t/p/w200//3qmUCLpZ5bJ9pw7DiS4idEEzugn.jpg)
Patricia Routledge
Mrs. Woolley
![Peter Bayliss](/_next/static/media/notFound.aecd17f8.png)
Peter Bayliss
Victor
![John Wells](/_next/static/media/notFound.aecd17f8.png)
John Wells
Honorable Gavin Hopton
![Harry Towb](https://image.tmdb.org/t/p/w200//zoA2fw66kUc03lwif598tmIVxSM.jpg)
Harry Towb
Mr. Woolley
![Jonathan Routh](/_next/static/media/notFound.aecd17f8.png)
Jonathan Routh
Captain Gore-Taylor
![Ted Dicks Jr.](/_next/static/media/notFound.aecd17f8.png)
Ted Dicks Jr.
Horst Cohen
![Nicky Henson](https://image.tmdb.org/t/p/w200//18gu6746pKAq2N2GCnitjNmhSWB.jpg)
Nicky Henson
Paul
![Clive Dunn](https://image.tmdb.org/t/p/w200//umD6OKNIvpwT9IIy7McsotCv4yq.jpg)
Clive Dunn
Doctor
![Frank Thornton](https://image.tmdb.org/t/p/w200//1B52SFlRkTQsgAw6MFbzsF1Kd2i.jpg)
Frank Thornton
Registrar
![Derek Farr](https://image.tmdb.org/t/p/w200//szQ3hFOuYFyr3XkHzLCCpNIUzMu.jpg)
Derek Farr
TV Announcer
![Micheál Mac Liammóir](https://image.tmdb.org/t/p/w200//l52bUlPQdtE4Zja3WOyCv2uulmN.jpg)