Cast

• Philip Coolidge — Dr. Cross
• Patrick McVey — Sergeant Flamm
• Ken Lynch — Charley - Chicago Policeman
• James Mason — Phillip Vandamm
• Martin Landau — Leonard
• Leo G. Carroll — The Professor
• Adam Williams — Valerian
• Josephine Hutchinson — Vandamm's Sister aka Mrs. Townsend
• Philip Ober — Lester Townsend
• Ned Glass — Ticket seller
• Cary Grant — Roger O. Thornhill
• Eva Marie Saint — Eve Kendall
• Jessie Royce Landis — Clara Thornhill
• Doreen Lang — Maggie - Thornhill's Secretary
• Edward Platt — Victor Larrabee
• Robert Ellenstein — Licht
• Les Tremayne — Auctioneer
• Edward Binns — Captain Junket
• Maudie Prickett — Hotel maid Elsie
• Malcolm Atterbury — Man waiting for bus
• Bess Flowers — Plaza Hotel lounge patron
• Nora Marlowe — Menacing housekeeper