John Clements as Milos Petrovitch

Tom Walls as Kossan Petrovitch

Rachel Thomas as Maria Petrovitch

Stephen Murray as Dr. Stephan Petrovitch

Mary Morris as Anna Petrovitch

Godfrey Tearle as General von Staengel

Robert Harris as Col. Von Brock

Michael Wilding as Constantine

Charles Victor as Sergeant

Niall MacGinnis as Dr. Jordon

Ivor Barnard as Station Master

Ben Williams as Dragutin

George Merritt as A Yugoslav General

Stanley Baker as Petar

Tecwyn Jones as Danilo

Eynon Evans as Lieut. Banse

Norman Pierce as Lieut. Franke

Eric Micklewood as Lieut. Von Klotz

Finlay Currie as Priest (uncredited)

Gina Evans as Woman (uncredited)

Herbert Lomas as Schoolteacher (uncredited)

John Slater as Minor Role (uncredited)

Brynmore Thomas as Minor Role (uncredited)

John Wynn as Yugoslav Soldier (uncredited)