Fictionalized account of Ferdinand Waldo Demara Jr., who stole or created fictional identities and worked in a variety of occupations, most quite successfully.

Tony Curtisas Ferdinand Waldo Demara Jr. / Martin Donner / Dr. Gilbert / Ben. W. Stone / Dr. Joseph Mornay / Robert Boyd Hammnd
Karl Maldenas Father Devlin
Edmond O'Brienas Capt. Glover - HMCS Cayuga
Arthur O'Connellas Warden J.B. Chandler
Gary Merrillas Pa Demara
Joan Blackmanas Lt. Catherine Lacey
Raymond Masseyas Abbott Donner
Robert Middletonas R.C. Brown
Jeanette Nolanas Ma Demara
Sue Ane Langdonas Eulalie Chandler
Robert Burks