A dramatization of the relationship between heart surgery pioneers Alfred Blalock and Vivien Thomas.

Alan Rickmanas Dr. Alfred Blalock
Yasiin Beyas Vivien Thomas
Kyra Sedgwickas Mary Blalock
Gabrielle Unionas Clara Thomas
Merritt Weveras Mrs. Saxon
Charles S. Duttonas William Thomas
Mary Stuart Mastersonas Dr. Helen Taussig
Irene Ziegleras Francis Grebel
Luray Cooperas Charles Manlove