Francis Guinan is an American film, television and stage actor, best known as Edgar Teller on NBC's Eerie, Indiana. Other television credits include Governor McCall Cullen on Starz’s Boss, Jack on CBS’ Mike & Molly, and Mitchell Field on ABC’s The Practice.

Film credits include The Storyteller, Freudian Slip, Henry Gamble's Birthday Party, All Good Things, The Last Airbender, Constantine, Hannibal, Guinevere, Speed 2: Cruise Control, and Shining Through.

Theatre credits include his Broadway debut as Mr. Wainwright/Others in The Grapes of Wrath (Cort Theatre) and Charlie Aiken in August: Osage County (Imperial/Music Box Theatres); Off-Broadway, as Brother/Barney in As Is and Franny in Balm in Gilead (Circle Repertory) and Eric in And a Nightingale Sang… (Mitzi E. Newhouse Theater); and regionally, as Charlie Clench in One Man, Two Guvnors (Court Theatre), Scrooge in Twist Your Dickens (Goodman Theatre), and Christopher in Tribes and Goldberg in The Birthday Party (Steppenwolf Theatre).