For Monday, we have a mysterious fellow.

For Tuesday, we have a mystery woman.

For Wednesday, we have a dapper mysterious fellow.

For “Aha Thursday,” we have a mysterious gent.

Brain Trust roll call: Mary Mallory (Wednesday’s mysterious fellow) and Mike Hawks (Wednesday’s mystery gent).

For Friday, we have our mysterious leading man and leading lady (yes, again).

Brain Trust roll call: Mary Mallory (mystery movie and Tuesday’s, Wednesday’s and Thursday’s mystery guests), Anne Papineau (Thursday’s mysterious fellow), Greg (mystery movie and all mysterious guests), Sylvia (Thursday’s mystery gent), Stacia (Thursday’s mystery fellow, right era), Mike Hawks (mystery movie, Tuesday’s and Thursday’s mysterious guests) and Sheila (mystery movie and Tuesday’s, Wednesday’s and Thursday’s mysterious guests).