| Darsteller | Rolle |
|---|---|
| Chris O'Dowd | Tom Chadwick (8) |
| Tom Bennett | Pete Stupples (8) |
| Nina Conti | Bea Chadwick / Monkey (8) |
| Ed Begley Jr. | Al Chadwick (5) |
| Jim Piddock | Mr. Pfister (5) |
| Carrie Aizley | Kitty Chadwick (5) |
| Michael McKean | Keith Chadwick (4) |
| Gerard Horan | Vikram (2) 'Move Along, Please!' - Sgt. Ray Biggins Sgt. Ray Biggins |
| Lisa Palfrey | Luba Chadwick (4) |
| Fred Willard | Mike Morton (3) |
| Amy Seimetz | Ally Keele (3) |
| Graham Greene | Chief Running Bull |
| Christopher Guest | Dave Chadwick (2) Dave Chadwick / Phineas Chadwick |
| Matt Griesser | Rick Tillman (3) |
| Maria Blasucci | Julie Fenneman (3) |
| Meera Syal | Chitra (2) |
| Ashley Walters | Dr. Watson (2) |
| Jake Harders | Sherlock Holmes (2) |
| Olivia Chenery | Princess (2) |
| Ben Farrow | Race Track Announcer Train Station Announcer |
| Sophie Abelson | W.P.C. Sharon Bullivant (2) |
| Elliott Jordan | 'Move Along, Please!' - P.C. Garry Dawson P.C. Garry Dawson |
| Kevin Pollak | Marty Schmelff |
| Brooke Dillman | Charity Volunteer |
| Will Sasso | Accident Guy |
| Don Lake | Harvey Krupp |
| Mark Harelik | Tall Abe Lincoln |
| Bob Balaban | Melvin Schmelff / Tumbleweed Tim |
| Scott Williamson | Phil Bukowsky |
| Michael Mantell | Kim |
| Jordan Black | Venice Beach Waiter |
| Guy Siner | Mitch Connelly |
| James Greene | King |
| Charlotte Cornwell | Angie |
| Oscar Nunez | Discount Car Rental Agent |
| Jeffrey De Serrano | John Smith |
| Andrew Hawtrey | Genealogical Records Clerk |
| Joe Lo Truglio | Souvenir Vendor |
| Ben Giroux | Short Abe Lincoln |
| Annabel Scholey | Lucy Pfister |
| Andrew Neil | Barry Booker |
| Christine Quinn | Brandi |
| Christopher Fairbank | Neville St. Aubrey |
| Matt Braunger | Confederate Guard |
| Simon Paisley Day | Nigel Robson-Jones |
| Arthur Nightingale | Terry Cross |
| Natalie Walter | Ellie |
| Nicholas Beveney | TJ |
| Dudley Sutton | Jimmy Pickwick |
| Saginaw Grant | White Feather |
| Alexander Lewis | Art Vendor |
| Susan Earl | Emma Chadwick |
| Brendan Patricks | Young Father |
| Jocelyn Ayanna | Barstow Records Clerk |
| Philip Brodie | Earl of Sudbury |
| James Rastall | Young Lord |
| Andrew Santino | Confederate Soldier |
| Daniel Mitchell | Sky Cap |
| Kate Miles | Young Mother |
| Jake Swift | 13 Yr. Old Boxer |
| Farshid Rokey | Sunil |
| Darrell Rivers | Colonel Rivers |
| Freda Barratt | Sybil |
| Hugh Sachs | Rex Mottram |
| Ellie Taylor | Tracey |
| Tom Godwin | 'Move Along, Please!' - P.C. Malcolm Trotter |
| Barbara Bolton | Mildred Budgens |
| Peter Polycarpou | Father of the Bride |
| Hugh O'Brien | Race Goer |
| Christian Rodska | Graham Chadwick |
| Melissa Goncalves | Naomi Schmellf |
| Trisha Paytas | Extreme Character |
| Adam James | Ronnie Chadwick |
| Spencer Jones | Personnel Officer |
| Richard Sebastian | Union Soldier |
| Kenneth J. Serfass | Ulysses S. Grant |