Scott Walters

Dana Andrews

Acting

Marian Taylor

Jeanne Crain

Acting

Perry Henderson / Arthur Henderson

David Farrar

Acting

Supt. Roberts

Patrick Barr

Acting

Capt. Malburn

George Coulouris

Acting

Martell

Charles Goldner

Acting

Pitt

Wilfrid Hyde-White

Acting

Lady on the Niagara

Heather Thatcher

Acting

Vincent

Michael Mataka

Acting

Pan American Airways Clerk

Paul Carpenter

Acting

Pan American Girl

Delphi Lawrence

Acting

Junior Secretary

Mary Mackenzie

Acting

Irish Landlady

Bee Duffell

Acting

Waiter

Alec Finter

Acting

Wireless Operator

Patrick Parnell

Acting

Clerk

John Salew

Acting

Jim

Walter Gotell

Acting

Redhead (unconfirmed, uncredited)

Simone Silva

Acting

Mrs. Henderson

Mary Merrall

Acting

Skipper

Charles Carson

Acting

Smith, Hotel Clerk

Bill Fraser

Acting

Servant

Lionel Ngakane

Acting

Steward

Robert Sansom

Acting