David Niven as Jasper O'Leary

Yvonne De Carlo as Serena McGlusky

Barry Fitzgerald as Thady O'Heggarty

George Cole as Terence

Noelle Middleton as Kathy McGlusky

Robert Urquhart as Dr. Michael Flynn

Michael Shepley as Major McGlusky

Joseph Tomelty as Dooley

A.E. Matthews as General O'Leary

Eddie Byrne as Lannigan

Jimmy Mageean as Divarsion

Patrick McAlinney as O'Connor

Brian O'Higgins as Milligan

Liam Redmond as Regan

Patrick Westwood as Murphy

Fred Johnson as Father Cormac

Ronan O'Casey as Reporter

Michael Martin Harvey as Villager

Bill Shine as Saxby

Anthony Nicholls as Solicitor

Harry Hutchinson as Old Porter

Tommy Duggan as Toastmaster

Robin Burns as Villager

Valerie French as Girl at Hunt Ball

Victor Harrington as Guest at Hunt Ball

Ian Selby as Guest at Hunt Ball