Générique complet
Le Témoin imprévu
William Powell
John Prentice
Myrna Loy
Evelyn Prentice
Una Merkel
Amy Drexel
Rosalind Russell
Mrs. Nancy Harrison
Isabel Jewell
Judith Wilson
Harvey Stephens
Lawrence Kennard
Edward Brophy
Eddie Delaney
Henry Wadsworth
Chester Wylie
Cora Sue Collins
Dorothy Prentice
Frank Conroy
District Attorney Farley
Jessie Ralph
Mrs. Blake
Ruth Renick
Undetermined Role (uncredited)
