Robert Bruce Sr.
Ian Bannen (29 June 1928 – 3 November 1999) was a Scottish character actor and occasional leading man. Description above from the Wikipedia article Ian Bannen, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Robert Bruce Sr.
The Young Workman - Stanley James
Jackie O'Shea
Professor
Sir Edith Moser
Gabelle
Godliman
Edward Lloyd
John Keller
Col. Charles Thomas Buckner
Luzifer
Harris
Pvt. Jock Thornton
Grandfather George
Kenneth Baxter
Sir Harry Norfolk
Slade
Brian
Billy
Young King Loris
Dennis Markham
Able Seaman Bannister
Christopher Lowe
Mattie Muldoon
McGuigan
Matt Moss (Crossing the Line) (archive footage)
Matt Mason
Private Horrocks
Charles Baker, MP
Sir Matt Busby
Bill
Father Matthew
Captain Waters
Dr. Shaw
Adolf Hitler
Antonio Braggi
Peter Bracken
St. John Rivers
Alan Andrews
Terence Adamson
Colin Crane The Headmaster's Son
Fletcher
MacDonald
Alan Crabtree
Ramble
James B. Elcott
Paul
Robert
Filippo Gozzi
Provost
Brother Benedict
Oliver Utterson
Riley Wyndham
Lt. Percy Vine
Kitson
Padre di Francesco
Garage attendant (uncredited)
Grandpa
Senior Police Officer
Junior Customs Officer
Macduff
David Lloyd George
Cpt. Crawford
Iamskoy
Don Pozzi
Father of Francesco
Prof. Serebryakov
Christian Drysdale
Dr. Jack Richardson
Frank Dean
Doonan
Peter Howard
Frank Dean
Self - Introduction (uncredited)
Macduff
Sir Walter
Gregory Dean
Robert
Canon Loftus
Jim Prideaux
Mike Barclay
Doonan
Inspector Spooner
Gabriel Dauntsey
Dr. Alexander Cameron
Sir Donald Frazier
Hitler
Serebryakov
Hubert Stout