A Man on the Inside (TV) Cast
The cast of A Man on the Inside. Updated on August 17, 2025.
50 actors
Ted Danson
as Charles Nieuwendyk (8 episodes)

Charles Nieuwendyk is a widower and retired engineering college professor who becomes an investigative assistant, going undercover at a retirement community.

Mary Elizabeth Ellis
as Emily (8 episodes)
Lilah Richcreek Estrada
as Julie (8 episodes)
Stephanie Beatriz
as Didi (8 episodes)
Eugene Cordero
as Joel Piñero (4 episodes)
Sally Struthers
as Virginia Foldau (8 episodes)
Marc Evan Jackson
as Evan Cubbler (3 episodes)
Kerry O'Malley
as Megan Chagughlaight-Accourse (5 episodes)
Megan Amram
as Jessica Lady (1 episode)
Deuce Basco
as Jace Nieuwendyk-Piñero (4 episodes)
Joel Chan Shan-Chung
as Lee Viezfivowun (1 episode)
Evan Gaustad
as Steve Autumnal-Stojakovic (1 episode)
Lincoln Lambert
as Nico Nieuwendyk-Piñero (4 episodes)
Jimmy Walker Jr.
as Roger Overnowt (1 episode)
Wyatt Yang
as Wyatt Nieuwendyk-Piñero (5 episodes)
Margaret Avery
as Florance Joanne Whistbrook (4 episodes)
John Getz
as Elliott Haverhill (7 episodes)
Susan Ruttan
as Gladys Montrose (5 episodes)
Veronica Cartwright
as Beverly Banki (5 episodes)
Miles Fowler
as Jaylen LaMont (6 episodes)
Clyde Kusatsu
as Grant Yokohama (6 episodes)
Fay DeWitt
as Jan V. Michael (1 episode)
Jody Jaress
as Helen Braithwaite (1 episode)
Danielle Kennedy
as Helen Cubbler (4 episodes)
Julie Mann
as Laverne Sernverlern (2 episodes)
Juana Samayoa
as Peggy Legorovitch (3 episodes)
Stephen McKinley Henderson
as Calbert Graham (6 episodes)
Lori Tan Chinn
as Susan Yang (6 episodes)
Carl W. Crudup
as George Baddears (2 episodes)
Nina Gosiengfiao
as Tabitha Vertèche (4 episodes)
Catherine Leong
as Penny Guhmstahr (5 episodes)
Will McLaughlin
as Officer Prawnmandler (1 episode)
Shylo Shaner
as Pilar Galaragga-Jesserit (4 episodes)
Bill J. Stevens
as Sam Ailmintz (2 episodes)
Marc Anthony Samuel
as C.J. Graham (2 episodes)
Jama Williamson
as Beatrice Vanbeck (4 episodes)
Kurt Koehler
as Dennis DeKeuque (2 episodes)
Nelson Franklin
as Rick Whuzmarc (3 episodes)
Charles Carpenter
as Dr. Wencythe-Hoffstrike (1 episode)
Jordan Christian Hearn
as Channing Grudzielanek (1 episode)
Amitai Porat
as Matthew Teufel (1 episode)
Satish Ullal
as Arwan Shahehtasfeeyehehab (2 episodes)
Sylvia Batey Alcalá
as Nermal von Garveldt (1 episode)
Sharmita Bhattacharya
as Tina Woolfa (1 episode)
Sherry Larson
as Louise Ammay-Ahlkott (2 episodes)
Cosimo Canale
as Matteo Torte Al Formaggio Fabbrica (2 episodes)
Carolyn McArdle
as San Francisco Giants PA Announcer (1 episode)
D'Arcy Carden
as Professor Della Denunzio (1 episode)
Jill Savel
as Eve St. Portchborts (1 episode)
David Wells
as Paul Dullmanski (1 episode)
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