Patrick Cassidy

as Ed Mancini

as George McAllister

as Chuck Maddox (1 episode)

as Kenny Strand (1 episode)

as Barry Armstrong

as John Candy

as Patrick Gallagher (10 episodes)

as Clyde Belasco (1 episode)

as Geoffrey

as Paul Gerard (1 episode)

as Hank Atherton (1 episode)

as Henry Small (5 episodes)

as Mr. Bingham (1 episode)

as Dr. Scott Berger (1 episode)

as Dennis Reed (1 episode)

as Dr. Stewart Lynch (1 episode)

as Dr. Sandy Greiner / Mandy (1 episode)

as Allen (1 episode)

as Fireman Seth

as Richard Moore

as Rennick

as Stephen Martin

as Dr. Ramsey (2 episodes)

as Ground Zero Villain

as Mr. Anthony (1 episode)