Kenneth More as Second Officer Charles Herbert Lightoller
Ronald Allen as Mr. Clarke
Robert Ayres as Maj. Arthur Peuchen
Honor Blackman as Mrs. Liz Lucas
Anthony Bushell as Capt. Arthur Rostron
John Cairney as Mr. Murphy
Jill Dixon as Mrs. Clarke
Jane Downs as Mrs. Sylvia Lightoller
James Dyrenforth as Col. Archibald Gracie
Michael Goodliffe as Thomas Andrews
Kenneth Griffith as Wireless Operator John 'Jack' Phillips
Harriette Johns as Lady Richard
Frank Lawton as Chairman J. Bruce Ismay
Richard Leech as First Officer William Murdoch
David McCallum as Assistant Wireless Operator Harold Bride
Alec McCowen as Wireless Operator Harold Thomas Cottam
Tucker McGuire as Mrs. Margaret 'Molly' Brown
John Merivale as Robbie Lucas
Ralph Michael as Mr. Yates
Laurence Naismith as Capt. Edward John Smith
Russell Napier as Capt. Stanley Lord
Redmond Phillips as Mr. Hoyle
George Rose as Chief Baker Charles Joughin
Joseph Tomelty as Dr. William O'Loughlin
Patrick Waddington as Sir Richard
Jack Watling as Fourth Officer Joseph Boxhall
Geoffrey Bayldon as Wireless Operator Cyril Evans
Michael Bryant as Sixth Officer James Moody
Cyril Chamberlain as Quartermaster George Thomas Rowe
Richard Clarke as Martin Gallagher
Bee Duffell as Mrs. Farrell
Harold Goldblatt as Benjamin Guggenheim
Gerald Harper as 3rd Officer - Carpathia
Richard Hayward as Victualling Officer
Thomas Heathcote as Steward
Danuta Karell as Polish Mother
Andrew Keir as 2nd Engineer Officer John Henry Hesketh
Christina Lubicz as Polish Girl
Barry MacGregor as Apprentice James Gibson
Edward Malin as Dining Saloon Steward (as Eddie Malin)
Patrick McAlinney as Mr. James Farrell
Helen Misener as Mrs. Ida Straus
Howard Pays as Fifth Officer Harold Lowe
Philip Ray as Reverend Anderson
Harold Siddons as Second Officer Herbert Stone
Julian Somers as Mr. Bull - Man on Train
Tim Turner as Third Officer Charles Groves
Meier Tzelniker as Mr. Isador Straus
Chris Adcock as 1st Class Passenger
Chris Adcock as Injured Stoker
Chris Adcock as Steerage Passenger
Maidie Andrews as Christening Lady
Laurence Archer as Admiral at Launching
Jack Armstrong as Passenger in Dining Room
Richard Beale as Queenstown Harbour Pilot
Nigel Bernard as Dignitary at Launching
Ernest Blyth as Wedding Guest
Douglas Bradley-Smith as Headwaiter
Maurice Bush as Californian Lookout
June Cowell as Workhouse Girl
Jack Cunningham as Irish Priest
Jack Dearlove as Wedding Guest
Grace Denbeigh-Russell as Female Supervisor
Harry Drew as Dignitary at Launching
Frederick Farley as Male Supervisor
Norman Fisher as Guest at Captain's Table
Chick Fowles as Wedding Guest
Muriel Greenslade as Passenger in Dining Room
Richard Gregory as Wedding Guest
Robert Gregory as Dignitary at Launching
Irene Hollis as Workhouse Girl
Billy John as Dignitary at Launching
Frederick Kelsey as Dignitary at Launching
Humphrey Kent as Bride's Father
Ann Lancaster as Mrs. Bull - Wife on Train
Rosalie Marshall as Extra
N. Matthews as Footman Loading Coach
Elizabeth McEwen as Groom's Mother
Philippa Morgan as Guest at Captain's Table
Jim Morris as Irish Villager
Louise Nolan as Martin's Mother
Arnold Schulkes as Wedding Guest
John Timberlake as Dignitary at Launching
Joe Wadham as Californian Helmsman
Russell Waters as Chief Clerk
Marjorie Weston as Bride's Mother
Lynn Williams as Workhouse Girl