30 Is a Dangerous Age, Cynthia!

Dudley Moore

Rupert Street

Eddie Foy Jr.

Oscar

Suzy Kendall

Louise Hammond

John Bird

Herbert Greenslade

Duncan Macrae

Jock McCue

Patricia Routledge

Mrs. Woolley

Peter Bayliss

Victor

John Wells

Honorable Gavin Hopton

Harry Towb

Mr. Woolley

Jonathan Routh

Captain Gore-Taylor

Ted Dicks Jr.

Horst Cohen

Nicky Henson

Paul

Clive Dunn

Doctor

Frank Thornton

Registrar

Derek Farr

TV Announcer

Micheál Mac Liammóir

Irish Storyteller

Walter Shenson

Producer

Bill Blunden

Editor

Joseph McGrath

Director, Writer

Dudley Moore

Original Music Composer, Writer

Richard Williams

Title Graphics

John Wells

Writer

Billy Williams

Director of Photography