John Gregson
— Captain Albert Ebbs
Peggy Cummins
— Mrs. Judd
Donald Sinden
— Chief Officer Shawe-Wilson
Nadia Gray
— Mrs. Daphne Porteous
Maurice Denham
— Major Broster
Richard Wattis
— Chief Purser Herbert Prittlewell
Reginald Beckwith
— "Tiny" Burtweed
Lionel Murton
— Bernie Floate
Bill Kerr
— Bill Coke
Nicholas Phipps
— Reddish
Joan Sims
— Maude Pritchett
Miles Malleson
— Canon Swingler
John Le Mesurier
— Sir Angus
James Hayter
— Chief Engineer Earnshaw
June Jago
— Gwenny Coke
Nora Nicholson
— Mrs. Lomax
John Warner
— Henry Lomax
Harry Locke
— Arthur Hole
Joseph Tomelty
— Dalrymple
Ed Devereaux
— Mr. Brickwood
Rosalie Ashley
— Annette Porter-Williams
Donald Churchill
— Mr. Jay
Beth Rogan
— Rosemary
Lynne Cole
— Janine
Yvonne Buckingham
— Yvonne
Jack Armstrong
— Ship's Steward (uncredited)
David Aylmer
— Harold (uncredited)
Alan Beaton
— Passenger at Captain's Cocktail Party (uncredited)
Steven Berkoff
— (uncredited)
Michael Blakemore
— Steward (uncredited)