 Pat O'BrienGeorge Steele | George Steele |
 Claire TrevorTerry Cordell | Terry Cordell |
 Herbert MarshallTraybin | Traybin |
 Ray CollinsDr. Lowell | Dr. Lowell |
 Wallace FordLt. Cochrane | Lt. Cochrane |
 Dean HarensReynolds | Reynolds |
 Damian O'FlynnMuseum Curator Stevenson | Museum Curator Stevenson |
 Erskine SanfordMuseum Director Barton | Museum Director Barton |
 Mary WareMary | Mary |
| AAlex AkimoffMan (Uncredited) | Man (Uncredited) |
| JJohn ArdellMan (Uncredited) | Man (Uncredited) |
 Gertrude AstorNagging Wife on Train (Uncredited) | Nagging Wife on Train (Uncredited) |
 Al BainArcade Patron (Uncredited) | Arcade Patron (Uncredited) |
| GGuy BeachStation Agent (Uncredited) | Station Agent (Uncredited) |
| EEdward BibyLecture Guest (Uncredited) | Lecture Guest (Uncredited) |
| BBonnie BlairDorothy (Uncredited) | Dorothy (Uncredited) |
 Robert BrayMan with Drunk (Uncredited) | Man with Drunk (Uncredited) |
| GGeorge BruggemanCop (Uncredited) | Cop (Uncredited) |
| JJames CarlisleLecture Guest (Uncredited) | Lecture Guest (Uncredited) |
 Jack CheathamMuseum Attendant (Uncredited) | Museum Attendant (Uncredited) |
 Ellen CorbyReynold's Maid (Uncredited) | Reynold's Maid (Uncredited) |
| DDelmar CostelloDeck Hand (Uncredited) | Deck Hand (Uncredited) |
| RRoger CreedCard Player on Train (Uncredited) | Card Player on Train (Uncredited) |
 Kernan CrippsFirst RR Ticket Clerk (Uncredited) | First RR Ticket Clerk (Uncredited) |
| LLee ElsonMan (Uncredited) | Man (Uncredited) |
 Franklyn FarnumMan on Train (Uncredited) | Man on Train (Uncredited) |
| CCarl FaulknerDetective (Uncredited) | Detective (Uncredited) |
| JJ.C. FowlerMan (Uncredited) | Man (Uncredited) |
 Edward GarganCop in Arcade (Uncredited) | Cop in Arcade (Uncredited) |
 Jack GarganSecond Railroad Ticket Agent (Uncredited) | Second Railroad Ticket Agent (Uncredited) |
