Highly Dangerous

Margaret Lockwood

as Frances Gray

Dane Clark

as Bill Casey

Marius Goring

as Commandant Anton Razinski

Naunton Wayne

as Mr. Hedgerley

Wilfrid Hyde-White

as Mr. Luke

Eugene Deckers

as Alf

Olaf Pooley

as Detective-Interrogator

Gladys Henson

as Attendant

Paul Hardtmuth

as Priest

Michael Hordern

as Lab Director Owens

George Benson

as Sandwich Stand Customer

Eric Pohlmann

as Joe - the bartender

John Horsley

as Customs Officer

Patric Doonan

as Customs Man

Joan Haythorne

as Judy

Jill Balcon

as Wardress (uncredited)

Hyma Beckley

as Café Mimosa Patron (uncredited)

John Boxer

as Police Sergeant at Customs Café (uncredited)

Ernest Butcher

as Tom - Lab Assistant (uncredited)

Daniel Brown

as Train Passenger (uncredited)

Robert Cawdron

as Soldier at Station Checkpoint (uncredited)

Anton Diffring

as Officer at Station (uncredited)

Toni Frost

as Stewardess (uncredited)

John Gabriel

as Night Field Telephone Officer (uncredited)

Charles Hammon

as Train Passenger in Platform Line-up (uncredited)

Philo Hauser

as Waiter (uncredited)

John G. Heller

as Soldier at Station Check Point (uncredited)

Noel Johnson

as Frank Conway (uncredited)

Sam Kydd

as Customs Man (uncredited)

Richard Marner

as Soldier on Train (uncredited)

Louis Matto

as Café Mimosa Waiter (uncredited)

Anthony Newley

as Operator (uncredited)

Michael Ritterman

as The ‘Tail’ (uncredited)

Lance Secretan

as Alan (uncredited)

Dinah Sheridan

as Train Passenger at Checkpoint (uncredited)

Ewen Solon

as Enemy Scientist (uncredited)

Emile Stemmler

as Soldier at Station Checkpoint (uncredited)

Robert Vossler

as Day Sentry at First Checkpoint (uncredited)

John Wilder

as Customs Officer (uncredited)

Billy Wilmot

as Café Mimosa Customer (uncredited)