Robert Powell as Paul Tanner

Barbara Feldon as Jenny Frifth

Linda Thorson as Toni Tanner

T. P. McKenna as Jack Hardisty

Mary Wimbush as Mrs. Bradley

John Boswall as Old Man

Ivor Roberts as Doctor

Howard Rawlinson as Hotel Clerk

Ronald Mayer as Minister

David Billa as Waiter

Peter Sallis as Man

Jessie Evans as (uncredited)