What's My Line? cast is including:
John Charles Daly as Self - Moderator (876 episodes), Arlene Francis as Self - Panelist (421 episodes), Dorothy Kilgallen as Self - Panelist (388 episodes), Bennett Cerf as Self - Panelist (356 episodes), Hal Block as Self - Panelist (121 episodes), Steve Allen as Self - Mystery Guest (5 episodes), Fred Allen as Self - Mystery Guest (2 episodes), Martin Gabel as Self - Panelist (48 episodes), Louis Untermeyer as Self - Panelist (37 episodes), Robert Q. Lewis as Self - Panelist (32 episodes), Tony Randall as Self - Mystery Guest (3 episodes), Jayne Meadows as Self - Panelist (10 episodes)